A120334 Odd primes of the form p = 2^k +- 1 or p = 4^k +- 3 or such that 2^p - 1 is prime or (2^p + 1)/3 is prime or PRP.

3, 5, 7, 11, 13, 17, 19, 23, 31, 43, 61, 67, 79, 89, 101, 107, 127, 167, 191, 199, 257, 313, 347, 521, 607, 701, 1021, 1279, 1709, 2203, 2281, 2617, 3217, 3539, 4093, 4099, 4253, 4423, 5807, 8191, 9689, 9941

Offset

1,1

Comments

Odd primes satisfying at least one of the criteria considered in the New Mersenne Prime Conjecture (cf. link).

Links

Gord Palameta, Table of n, a(n) for n = 1..83

Chris K. Caldwell, New Mersenne Prime Conjecture, Prime Pages.

Crossrefs

Supersequence of A000978, A122834.

Almost a supersequence of A000043 (excluding only A000043(1) = 2).

Sequence in context: A060770 A246568 A338132 * A000978 A128925 A204142

Adjacent sequences: A120331 A120332 A120333 * A120335 A120336 A120337

Keyword

nonn

Author

Jorge Coveiro, Sep 11 2007

Status

approved