login
Primes congruent to {2, 4, 5, 6} mod 19.
1

%I #7 Sep 08 2022 08:46:03

%S 2,5,23,43,59,61,97,101,137,139,157,173,211,233,251,271,347,367,401,

%T 439,443,461,479,499,557,593,613,631,709,727,743,821,823,857,859,937,

%U 971,1009,1013,1031,1049,1051,1069,1087,1123,1163,1201,1237,1259,1277

%N Primes congruent to {2, 4, 5, 6} mod 19.

%H Vincenzo Librandi, <a href="/A215278/b215278.txt">Table of n, a(n) for n = 1..1000</a>

%t Select[Prime[Range[600]],MemberQ[{2,4,5,6},Mod[#,19]]&]

%o (Magma) [ p: p in PrimesUpTo(2000) | p mod 19 in {2, 4, 5, 6} ];

%Y Cf. A215170, A045361.

%K nonn,easy

%O 1,1

%A _Vincenzo Librandi_, Aug 07 2012