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A091199 Numbers n such that (6n-3)^2+2 is prime. +0
2
1, 2, 3, 4, 6, 7, 8, 10, 14, 17, 18, 19, 20, 21, 25, 29, 37, 38, 40, 41, 42, 43, 46, 50, 51, 52, 54, 58, 59, 61, 62, 63, 65, 70, 71, 72, 74, 75, 76, 80, 84, 86, 92, 93, 94, 96, 101, 102, 109, 113, 114, 117, 119, 126, 130, 135, 137, 140, 145, 148, 150, 151, 152, 156, 160 (list; graph; listen)
OFFSET

1,2

COMMENT

Arises from A056899: primes of the form m^2+2; m should be of the form 6n-3, hence this sequence.

EXAMPLE

10 is a member because (60-3)^2+2=3251 is prime

MATHEMATICA

Select[ Range[ 163], PrimeQ[(6# - 3)^2 + 2] &] (from Robert G. Wilson v Feb 26 2004)

CROSSREFS

Cf. A056899.

Sequence in context: A062974 A065609 A080389 this_sequence A093452 A082103 A051602

Adjacent sequences: A091196 A091197 A091198 this_sequence A091200 A091201 A091202

KEYWORD

easy,nonn

AUTHOR

Zak Seidov (zakseidov(AT)yahoo.com), Feb 22 2004

EXTENSIONS

More terms from Ray Chandler (rayjchandler(AT)sbcglobal.net) and Robert G. Wilson v (rgwv(AT)rgwv.com), Feb 25 2004

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Last modified July 26 13:41 EDT 2008. Contains 142293 sequences.


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