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A126421 Numbers n for which n^3-n-1 is prime. +0
12
2, 3, 4, 8, 9, 11, 14, 15, 16, 18, 21, 23, 24, 29, 31, 35, 36, 38, 41, 45, 48, 55, 58, 59, 60, 64, 69, 70, 71, 76, 81, 86, 98, 104, 108, 111, 113, 115, 119, 123, 126, 128, 130, 136, 140, 150, 151, 155, 163, 168, 174, 176, 183, 184, 185, 186, 188, 189, 191, 203, 206 (list; graph; listen)
OFFSET

1,1

LINKS

T. D. Noe, Table of n, a(n) for n=1..1000

MATHEMATICA

a = {}; Do[If[PrimeQ[x^3 - x - 1], AppendTo[a, x]], {x, 1, 1000}]; a

CROSSREFS

Cf. A002327, A116581, A126420.

Adjacent sequences: A126418 A126419 A126420 this_sequence A126422 A126423 A126424

Sequence in context: A111020 A002971 A139461 this_sequence A116111 A032859 A032883

KEYWORD

nonn

AUTHOR

Artur Jasinski (grafix(AT)csl.pl), Dec 26 2006

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Last modified October 13 09:05 EDT 2008. Contains 145008 sequences.


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