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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. 1
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 (list; graph; refs; listen; history; text; internal format)
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: A306084 A060770 A246568 * A000978 A128925 A204142

Adjacent sequences:  A120331 A120332 A120333 * A120335 A120336 A120337

KEYWORD

nonn

AUTHOR

Jorge Coveiro, Sep 11 2007

STATUS

approved

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Last modified March 20 13:18 EDT 2019. Contains 321345 sequences. (Running on oeis4.)