OFFSET
1,3
COMMENTS
Corresponds to odd numbers in A024899.
LINKS
Vincenzo Librandi, Table of n, a(n) for n = 1..1000
EXAMPLE
2 is in the sequence since 12*2+7 = 31 is prime.
MATHEMATICA
Select[Range[0, 200], PrimeQ[12 # + 7] &] (* Vincenzo Librandi, May 20 2014 *)
PROG
(PARI) isA167056(n) = isprime(12*n+7)
(Magma) [n: n in [1..150] | IsPrime(12*n+7)]; // Vincenzo Librandi, May 20 2014
CROSSREFS
KEYWORD
easy,nonn
AUTHOR
Michael B. Porter, Oct 27 2009
STATUS
approved