OFFSET
1,1
COMMENTS
The asymptotic density of this sequence is 1/4 (by Dirichlet's theorem). - Amiram Eldar, Mar 02 2021
LINKS
Harvey P. Dale, Table of n, a(n) for n = 1..1000
EXAMPLE
MATHEMATICA
Position[Mod[Prime[Range[250]], 12], 11]//Flatten (* Harvey P. Dale, Apr 13 2022 *)
PROG
(PARI) for( n=1, 999, prime(n)%12==11 & print1(n", "))
CROSSREFS
KEYWORD
nonn
AUTHOR
M. F. Hasler, May 22 2009
STATUS
approved