OFFSET
1,2
LINKS
Vincenzo Librandi, Table of n, a(n) for n = 1..1000
MATHEMATICA
Select[14 Range[0, 100] + 1, ! PrimeQ@# &] (* Vincenzo Librandi, Mar 22 2014 *)
PROG
(Magma) [a: n in [0..90] | not IsPrime(a) where a is 14*n+1]; // Vincenzo Librandi, Mar 22 2014
CROSSREFS
KEYWORD
nonn,less
AUTHOR
Juri-Stepan Gerasimov, Jun 13 2008
EXTENSIONS
Edited by R. J. Mathar, Jun 16 2008
STATUS
approved