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A134669 Numbers n such that n * n# + 1 is prime, where n# = A034386. +0
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1, 2, 3, 5, 6, 7, 11, 13, 14, 15, 17, 18, 20, 21, 27, 31, 32, 34, 35, 43, 45, 46, 47, 50, 56, 57, 83, 86, 91, 103, 109, 125, 127, 131, 139, 163, 263, 376, 394, 418, 424, 467, 506, 514, 841, 1016, 1066, 1211, 1337, 1400, 1426, 1453, 1599, 1638, 1651, 1704, 1745 (list; graph; listen)
OFFSET

1,2

COMMENT

A larger term in the sequence is 28822*28822#+1 having 12452 digits, proved prime with WinPFGW.

CROSSREFS

Adjacent sequences: A134666 A134667 A134668 this_sequence A134670 A134671 A134672

Sequence in context: A129128 A121700 A080980 this_sequence A053328 A089633 A003172

KEYWORD

nonn

AUTHOR

Jason Earls (zevi_35711(AT)yahoo.com), Jan 26 2008

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Last modified October 11 13:47 EDT 2008. Contains 144830 sequences.


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