OFFSET
1,1
COMMENTS
One less than the associated entry in A153238. - R. J. Mathar, Jan 05 2011
The terms are the values of 2*h*k + k + h - 2, where h and k are positive integers. - Vincenzo Librandi, Jan 19 2013
LINKS
Vincenzo Librandi, Table of n, a(n) for n = 1..1000
MATHEMATICA
Select[Range[0, 150], !PrimeQ[2*# + 5] &] (* Vincenzo Librandi, Oct 16 2012 *)
PROG
(Magma) [n: n in [0..110]| not IsPrime(2*n+5)]; // Vincenzo Librandi, Oct 16 2012
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
Vincenzo Librandi, Dec 17 2008
STATUS
approved