OFFSET
1,3
LINKS
Ivan Neretin, Table of n, a(n) for n = 1..10000
FORMULA
a(n) = (A142331(n)-37)/90.
MATHEMATICA
Select[Range[0, 150], PrimeQ[90 # + 37] &] (* Vincenzo Librandi, Apr 07 2015 *)
PROG
(PARI) isok(n) = isprime(90*n+37) \\ Michel Marcus, Jul 24 2013
(Magma) [n: n in [0..150] | IsPrime(90*n+37)]; // Vincenzo Librandi, Apr 07 2015
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
J. W. Helkenberg, Oct 24 2011
STATUS
approved