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A057195 Numbers n such that 2^n +7 is prime. +0
7
2, 4, 6, 8, 10, 16, 18, 20, 28, 30, 38, 44, 78, 88, 98, 126, 160, 174, 204, 214, 588, 610, 798, 926, 1190, 1198, 1806, 1888, 2648, 3454, 3510, 3864, 3870, 8970, 12330, 13330 (list; graph; listen)
OFFSET

1,1

MATHEMATICA

Do[ If[ PrimeQ[ 2^n +7 ], Print[n]], { n, 1, 15000 }]

CROSSREFS

Cf. A104066 (primes of the form 2^n+7). [From Klaus Brockhaus (klaus-brockhaus(AT)t-online.de), Mar 14 2009]

Sequence in context: A122642 A161562 A102470 this_sequence A088007 A088008 A067720

Adjacent sequences: A057192 A057193 A057194 this_sequence A057196 A057197 A057198

KEYWORD

nonn

AUTHOR

Robert G. Wilson v (rgwv(AT)rgwv.com), Sep 15 2000

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Last modified December 16 17:18 EST 2009. Contains 170825 sequences.


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