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A143833 Numbers n such that 14 n^2-1 is prime +0
4
1, 4, 5, 6, 10, 11, 16, 21, 26, 34, 36, 44, 45, 49, 54, 55, 59, 65, 69, 71, 76, 80, 85, 91, 95, 96, 100, 104, 106, 110, 114, 115, 120, 121, 125, 135, 139, 166, 169, 176, 180, 190, 195, 201, 204, 206, 214, 226, 230, 231, 234, 241, 254, 256, 264, 265, 269, 270, 275, 280 (list; graph; listen)
OFFSET

1,2

MATHEMATICA

p = 14; a = {}; Do[k = p x^2 - 1; If[PrimeQ[k], AppendTo[a, x]], {x, 1, 1000}]; a

CROSSREFS

A066436, A066049, A090686, A090684, A143826, A143827, A143828, A143829, A143830, A143831, A143832

Sequence in context: A070751 A047258 A024565 this_sequence A066501 A114439 A079257

Adjacent sequences: A143830 A143831 A143832 this_sequence A143834 A143835 A143836

KEYWORD

nonn

AUTHOR

Artur Jasinski (grafix(AT)csl.pl), Sep 02 2008

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Last modified November 29 12:46 EST 2009. Contains 167659 sequences.


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