A045366 Primes congruent to {2, 5} mod 8.

2, 5, 13, 29, 37, 53, 61, 101, 109, 149, 157, 173, 181, 197, 229, 269, 277, 293, 317, 349, 373, 389, 397, 421, 461, 509, 541, 557, 613, 653, 661, 677, 701, 709, 733, 757, 773, 797, 821, 829, 853, 877, 941, 997

Offset: 1

Author

N. J. A. Sloane

Keywords

• nonn
• easy

Links

• Ray Chandler, Table of n, a(n) for n = 1..10000 (first 1000 terms from Vincenzo Librandi)
• H. Quan, F. Roman, M. Washington, Infinite products and periodic sequences, in MSRI-UP Research Reports, 2014, pp. 60-91.

Crossrefs

Essentially the same as A007521.

Cf. A000040, A045368.

Programs

Magma

[p: p in PrimesUpTo(1200) | p mod 8 in [2, 5]]; // Vincenzo Librandi, Aug 10 2012

Mathematica

Select[Prime[Range[300]],MemberQ[{2,5},Mod[#,8]]&] (* Vincenzo Librandi, Aug 10 2012 *)