@article{01919524,
title = {On an integer sequence related to a product of trigonometric functions, and its combinatorial relevance.},
journal = {Journal of Integer Sequences [electronic only]},
volume = {5},
year = {2002},
zbl = {1012.05006},
language = {en},
url = {http://dml.mathdoc.fr/item/01919524}
}
Andrica, Dorin; Tomescu, Ioan. On an integer sequence related to a product of trigonometric functions, and its combinatorial relevance.. Journal of Integer Sequences [electronic only], Tome 5 (2002) . http://gdmltest.u-ga.fr/item/01919524/