@article{02186910,
title = {Prime and composite terms in Sloane's sequence A056542.},
journal = {Journal of Integer Sequences [electronic only]},
volume = {8},
year = {2005},
zbl = {1096.11507},
language = {en},
url = {http://dml.mathdoc.fr/item/02186910}
}
Müller, Tom. Prime and composite terms in Sloane's sequence A056542.. Journal of Integer Sequences [electronic only], Tome 8 (2005) . http://gdmltest.u-ga.fr/item/02186910/