A215391 - OEIS

%I #5 Sep 08 2022 08:46:03

%S 2,41,53,67,79,131,157,197,223,313,353,379,431,443,457,509,521,547,

%T 587,599,613,677,691,743,769,821,859,911,937,977,1093,1171,1223,1237,

%U 1249,1289,1301,1327,1367,1471,1483,1523,1549,1601,1613,1627,1783,1847

%N Primes congruent to {1, 2} mod 13.

%H Vincenzo Librandi, <a href="/A215391/b215391.txt">Table of n, a(n) for n = 1..1000</a>

%t Select[Prime[Range[300]],MemberQ[{1,2},Mod[#,13]]&]

%o (Magma) [p: p in PrimesUpTo(2000) | p mod 13 in [1, 2]];

%Y Cf. A000040, A045344, A045372,

%K nonn,easy

%O 1,1

%A _Vincenzo Librandi_, Aug 10 2012