A215154 - OEIS

%I #11 Sep 08 2022 08:46:03

%S 2,3,41,59,79,97,173,191,193,211,229,269,307,383,401,419,421,439,457,

%T 571,647,743,761,839,857,877,953,971,991,1009,1103,1123,1181,1217,

%U 1237,1409,1427,1447,1483,1523,1559,1579,1597,1637,1693,1787,1789,1901,1979

%N Primes congruent to {1, 2, 3} mod 19.

%H Vincenzo Librandi, <a href="/A215154/b215154.txt">Table of n, a(n) for n = 1..1000</a>

%t Select[Prime[Range[600]],MemberQ[{1,2,3},Mod[#,19]]&]

%o (Magma) [p: p in PrimesUpTo(2500) | p mod 19 in [1..3]];

%Y Cf. A000040, A045342.

%K nonn,easy

%O 1,1

%A _Vincenzo Librandi_, Aug 04 2012