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A215211
Primes congruent to {2, 5, 7} mod 13.
1
2, 5, 7, 31, 41, 59, 67, 83, 109, 137, 163, 197, 223, 239, 241, 293, 317, 353, 379, 397, 421, 431, 449, 457, 499, 509, 577, 587, 613, 631, 683, 691, 709, 733, 743, 761, 769, 787, 811, 821, 839, 863, 941, 967, 977, 1019, 1021, 1097, 1123, 1151, 1201, 1229, 1237
OFFSET
1,1
LINKS
MATHEMATICA
Select[Prime[Range[1000]], MemberQ[{2, 5, 7}, Mod[#, 13]]&]
Select[Flatten[Table[13n+{2, 5, 7}, {n, 0, 100}]], PrimeQ] (* Harvey P. Dale, May 10 2021 *)
PROG
(Magma) [ p: p in PrimesUpTo(2000) | p mod 13 in {2, 5, 7} ];
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
Vincenzo Librandi, Aug 07 2012
STATUS
approved