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A110931 Numbers n such that 2*n^n-1 is prime. 1
2, 3, 357, 1400 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..4.

CROSSREFS

Sequence in context: A177505 A068104 A065586 * A097654 A156986 A066849

Adjacent sequences:  A110928 A110929 A110930 * A110932 A110933 A110934

KEYWORD

more,nonn

AUTHOR

Ray G. Opao, Sep 25 2005

STATUS

approved

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Last modified May 26 02:43 EDT 2013. Contains 225653 sequences.