Sommaire

Verifying two conjectures on generalized elite primes.

Li, Xiaoqin

Access to full text
Full (PDF)


The Electronic Library of Mathematics
Recursive generation of k-ary trees.

Manes, K. ; Sapounakis, A. ; Tasoulas, I. ; Tsikouras, P.

Access to full text
Full (PDF)


The Electronic Library of Mathematics
Some postage stamp 2-bases.

Robinson, John P.

Access to full text
Full (PDF)


The Electronic Library of Mathematics
Ramanujan type trigonometric formulas: the general form for the argument 2π7.

Wituła, Roman

Access to full text
Full (PDF)


The Electronic Library of Mathematics
On the equation ax≡x(modbn).

Jiménez Urroz, J. ; Yebra, J.Luis A.

Access to full text
Full (PDF)


The Electronic Library of Mathematics
On recurrences of Fahr and Ringel arising in graph theory.

Hirschhorn, Michael D.

Access to full text
Full (PDF)


The Electronic Library of Mathematics
Continued fractions and transformations of integer sequences.

Barry, Paul

Access to full text
Full (PDF)


The Electronic Library of Mathematics
Unisequences and nearest integer continued fraction midpoint criteria for Pell's equation.

Matthews, Keith R.

Access to full text
Full (PDF)


The Electronic Library of Mathematics
Bell and Stirling numbers for graphs.

Duncan, Bryce ; Peele, Rhodes

Access to full text
Full (PDF)


The Electronic Library of Mathematics
On determining paint by numbers puzzles with nonunique solutions.

Mullen, Ryan

Access to full text
Full (PDF)


The Electronic Library of Mathematics
Matrix compositions.

Munarini, Emanuele ; Poneti, Maddalena ; Rinaldi, Simone

Access to full text
Full (PDF)


The Electronic Library of Mathematics
Generalized Catalan numbers: linear recursion and divisibility.

Sury, B.

Access to full text
Full (PDF)


The Electronic Library of Mathematics
Falling factorials, generating functions, and conjoint ranking tables.

Osgood, Brad ; Wu, William

Access to full text
Full (PDF)


The Electronic Library of Mathematics
A note on a one-parameter family of Catalan-like numbers.

Barry, Paul

Access to full text
Full (PDF)


The Electronic Library of Mathematics
Generalized near-Bell numbers.

Griffiths, Martin

Access to full text
Full (PDF)


The Electronic Library of Mathematics
Some trigonometric identities involving Fibonacci and Lucas numbers.

Bibak, Kh. ; Shirdareh Haghighi, M.H.

Access to full text
Full (PDF)


The Electronic Library of Mathematics
Symmetric third-order recurring sequences, Chebyshev polynomials, and Riordan arrays.

Barry, Paul

Access to full text
Full (PDF)


The Electronic Library of Mathematics
Equidistribution of descents, adjacent pairs, and place-value pairs on permutations.

Deutsch, Emeric ; Kitaev, Sergey ; Remmel, Jeffrey

Access to full text
Full (PDF)


The Electronic Library of Mathematics
Some classes of numbers and derivatives.

Janjić, Milan

Access to full text
Full (PDF)


The Electronic Library of Mathematics
On the bi-unitary analogues of Euler's arithmetical function and the gcd-sum function.

Tóth, László

Access to full text
Full (PDF)


The Electronic Library of Mathematics
Two formulas for successive derivatives and their applications.

Rza̧dkowski, Grzegorz

Access to full text
Full (PDF)


The Electronic Library of Mathematics
Compression theorems for periodic tilings and consequences.

Benjamin, Arthur T. ; Eustis, Alex K. ; Shattuck, Mark A.

Access to full text
Full (PDF)


The Electronic Library of Mathematics
Notes on a family of Riordan arrays and associated integer Hankel transforms.

Barry, Paul ; Hennessy, Aoife

Access to full text
Full (PDF)


The Electronic Library of Mathematics
On the Euler function of Fibonacci numbers.

Luca, Florian ; Mejía Huguet, V. Janitzio ; Nicolae, Florin

Access to full text
Full (PDF)


The Electronic Library of Mathematics
The number of crossings in a regular drawing of the complete bipartite graph.

Legendre, Stéphane

Access to full text
Full (PDF)


The Electronic Library of Mathematics
Integer solutions of some Diophantine equations via Fibonacci and Lucas numbers.

Demirtürk, Bahar ; Keskin, Refik

Access to full text
Full (PDF)


The Electronic Library of Mathematics
Harmonic number identities via Euler's transform.

Boyadzhiev, Khristo N.

Access to full text
Full (PDF)


The Electronic Library of Mathematics
A note on perfect totient numbers.

Deng, Moujie

Access to full text
Full (PDF)


The Electronic Library of Mathematics
Hadamard products and tilings.

Kim, Jong Hyun

Access to full text
Full (PDF)


The Electronic Library of Mathematics
Families of rational numbers with predictable Engel product expansions.

Melham, R.S.

Access to full text
Full (PDF)


The Electronic Library of Mathematics
Generating functions for the digital sum and other digit counting sequences.

Adams-Watters, Franklin T. ; Ruskey, Frank

Access to full text
Full (PDF)


The Electronic Library of Mathematics
A search for high rank congruent number elliptic curves.

Dujella, Andrej ; Janfada, Ali S. ; Salami, Sajad

Access to full text
Full (PDF)


The Electronic Library of Mathematics
Several generating functions for second-order recurrence sequences.

Mező, István

Access to full text
Full (PDF)


The Electronic Library of Mathematics
Combinatorial interpretation of generalized Stirling numbers.

Lang, Wolfdieter

Access to full text
Full (PDF)


The Electronic Library of Mathematics
Introduction to the “prisoners and guards” game.

Howard, Timothy ; Ionascu, Eugen J. ; Woolbright, David

Access to full text
Full (PDF)


The Electronic Library of Mathematics
On a sequence of nonsolvable quintic polynomials.

Johnstone, Jennifer A. ; Spearman, Blair K.

Access to full text
Full (PDF)


The Electronic Library of Mathematics
Fourier expansions and integral representations for Genocchi polynomials.

Luo, Qiuming

Access to full text
Full (PDF)


The Electronic Library of Mathematics
A note on the lonely runner conjecture.

Pandey, Ram Krishna

Access to full text
Full (PDF)


The Electronic Library of Mathematics
Enumeration of partitions by long rises, levels, and descents.

Mansour, Toufik ; Munagi, Augustine O.

Access to full text
Full (PDF)


The Electronic Library of Mathematics
Towards a human proof of Gessel's conjecture.

Ayyer, Arvind

Access to full text
Full (PDF)


The Electronic Library of Mathematics
A bijection between 3-Motzkin paths and Schröder paths with no peak at odd.

Shapiro, Louis W. ; Wang, Carol J.

Access to full text
Full (PDF)


The Electronic Library of Mathematics
Some congruences for the partial Bell polynomials.

Mihoubi, Miloud

Access to full text
Full (PDF)


The Electronic Library of Mathematics
Binary relations on the power set of an n-element set.

La Haye, Ross

Access to full text
Full (PDF)


The Electronic Library of Mathematics
On the subsequence of primes having prime subscripts.

Broughan, Kevin A. ; Barnett, A.Ross

Access to full text
Full (PDF)


The Electronic Library of Mathematics
Polygonal chain sequences in the space of compact sets.

Schlicker, Steven ; Morales, Lisa ; Schultheis, Daniel

Access to full text
Full (PDF)


The Electronic Library of Mathematics
The p-adic valuations of sequences counting alternating sign matrices.

Sun, Xinyu ; Moll, Victor H.

Access to full text
Full (PDF)


The Electronic Library of Mathematics
Tiling a (2×n)-board with squares and dominoes.

Katz, Matt ; Stenson, Catherine

Access to full text
Full (PDF)


The Electronic Library of Mathematics
On the expansion of Fibonacci and Lucas polynomials.

Prodinger, Helmut

Access to full text
Full (PDF)


The Electronic Library of Mathematics
The Pfaffian transform.

Austin, Tracale ; Bantilan, Hans ; Egge, Eric S. ; Jonas, Isao ; Kory, Paul

Access to full text
Full (PDF)


The Electronic Library of Mathematics
Characterizing Frobenius semigroups by filtration.

Johnson, Inga ; Powers, Sean ; Starr, Colin ; Trevelyan, Charles ; Webster, Craig

Access to full text
Full (PDF)


The Electronic Library of Mathematics
Growing Apollonian packings.

Mallows, Colin

Access to full text
Full (PDF)


The Electronic Library of Mathematics
The combinatorics of certain k-ary meta-Fibonacci sequences.

Ruskey, Frank ; Deugau, Chris

Access to full text
Full (PDF)


The Electronic Library of Mathematics