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A124887 Least positive k such that n * 2^n + k is prime. +0
1
1, 3, 5, 3, 3, 5, 11, 5, 13, 3, 3, 5, 5, 17, 7, 7, 19, 25, 15, 9, 61, 49, 7, 5, 17, 5, 13, 3, 9, 29, 33, 9, 73, 13, 39, 5, 53, 39, 7, 3, 7, 5, 45, 5, 19, 19, 73, 31, 141, 83, 29, 49, 25, 11, 21, 53, 37, 49, 39, 13, 41, 9, 47, 25, 61, 139, 33, 11, 133, 39, 93, 49, 93, 41, 7, 15, 67, 121 (list; graph; listen)
OFFSET

1,2

REFERENCES

J. Earls, Red Zen, Lulu Press, NY, 2006, p. 135.

CROSSREFS

Sequence in context: A126659 A102294 A021287 this_sequence A097524 A073703 A097519

Adjacent sequences: A124884 A124885 A124886 this_sequence A124888 A124889 A124890

KEYWORD

easy,nonn

AUTHOR

Jason Earls (zevi_35711(AT)yahoo.com), May 19 2007

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Last modified November 25 08:46 EST 2009. Contains 167481 sequences.


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