A045375 Primes congruent to {1, 2} mod 6.

2, 7, 13, 19, 31, 37, 43, 61, 67, 73, 79, 97, 103, 109, 127, 139, 151, 157, 163, 181, 193, 199, 211, 223, 229, 241, 271, 277, 283, 307, 313, 331, 337, 349, 367, 373, 379, 397, 409, 421, 433, 439, 457, 463, 487, 499, 523, 541, 547, 571, 577, 601, 607, 613, 619, 631, 643, 661, 673, 691

Offset: 1

Author

N. J. A. Sloane

Keywords

• nonn

Comments

Apart from initial term, same as A002476 = A007645 \ {2} = A045331 \ {2,3}. - M. F. Hasler, Apr 25 2008

Primes of the form 6*m - 3/2 -+ 5/2. A045375 UNION A045410 = A000040. - Juri-Stepan Gerasimov, Jan 28 2010

Crossrefs

Cf. A002476, A007645, A045331.

Cf. A000040 (the primes), A045410 (the primes of the form 6*k-2-+1). - Juri-Stepan Gerasimov, Jan 28 2010

Programs

Magma

[p: p in PrimesUpTo(740)|p mod 6 in {1,2}]; // Vincenzo Librandi, Dec 18 2010

Mathematica

Select[Prime[Range[150]], MemberQ[{1, 2}, Mod[#, 6]] &] (* Vladimir Joseph Stephan Orlovsky, Feb 18 2012 *)

Extensions

More terms from Vincenzo Librandi, Dec 18 2010