A045372 Primes congruent to {1, 2} mod 5.

2, 7, 11, 17, 31, 37, 41, 47, 61, 67, 71, 97, 101, 107, 127, 131, 137, 151, 157, 167, 181, 191, 197, 211, 227, 241, 251, 257, 271, 277, 281, 307, 311, 317, 331, 337, 347, 367, 397, 401, 421, 431, 457, 461, 467

Offset: 1

Author

N. J. A. Sloane

Keywords

• nonn
• easy

Links

• Vincenzo Librandi, Table of n, a(n) for n = 1..1000

Crossrefs

Cf. A045413 (complement), A045344, A045391.

Programs

Magma

[p: p in PrimesUpTo(600) | p mod 5 in [1, 2]]; // Vincenzo Librandi, Aug 10 2012

Mathematica

Select[Prime[Range[100]],MemberQ[{1,2},Mod[#,5]]&] (* Harvey P. Dale, Jul 27 2012 *)

Extensions

Edited by Charles R Greathouse IV, Mar 25 2010