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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 PRP. 0
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 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Odd primes verifying at least one of the criteria considered in the New Mersenne Prime Conjecture (cf. link); includes all odd terms of A000043 (indices of Mersenne primes).

Beyond the displayed terms, this sequence includes also primes for which (2^p+1)/3 is only known to be PRP.

LINKS

Table of n, a(n) for n=1..41.

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

CROSSREFS

Sequence in context: A064534 A139758 A060770 * A000978 A128925 A204142

Adjacent sequences:  A120331 A120332 A120333 * A120335 A120336 A120337

KEYWORD

nonn

AUTHOR

Jorge Coveiro (jorgecoveiro(AT)yahoo.com), Sep 11 2007

STATUS

approved

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Last modified May 26 04:20 EDT 2013. Contains 225653 sequences.