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A096689 Numbers n such that 2n^2 + 3n + 3 is prime. +0
4
0, 2, 4, 10, 16, 20, 26, 34, 40, 44, 46, 50, 62, 64, 74, 76, 80, 82, 86, 92, 94, 110, 122, 140, 160, 164, 170, 176, 182, 200, 202, 212, 214, 220, 224, 232, 236, 250, 262, 296, 302, 304, 310, 320, 322, 326, 332, 344, 346, 352, 392, 400, 404, 422, 424, 446, 452 (list; graph; listen)
OFFSET

1,2

COMMENT

a(n) = A096691(1)*2.

MATHEMATICA

f[n_]:=n^2+(n+1)^2+(n+2); lst={}; Do[p=f[n]; If[PrimeQ[p], AppendTo[lst, n]], {n, 0, 6!}]; lst [From Vladimir Orlovsky (4vladimir(AT)gmail.com), Jul 04 2009]

CROSSREFS

Cf. A095697, A096690, A096691.

Sequence in context: A058201 A000947 A125245 this_sequence A039682 A111149 A123689

Adjacent sequences: A096686 A096687 A096688 this_sequence A096690 A096691 A096692

KEYWORD

nonn

AUTHOR

Ray Chandler (rayjchandler(AT)sbcglobal.net), Jul 12 2004

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.


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