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A098863 Numbers n such that (6^n)*(2^n - 1) - 1 is prime. 0
1, 2, 3, 7, 8, 152, 206, 686, 1194, 1610 (list; graph; refs; listen; history; internal format)
OFFSET

1,2

COMMENTS

Next term is > 5000.

All terms under 5000 correspond to certified primes. (Primo 2.2.0 beta). - Ryan Propper (rpropper(AT)stanford.edu), Apr 03 2006

CROSSREFS

Sequence in context: A068342 A038034 A103173 * A053960 A114056 A168222

Adjacent sequences:  A098860 A098861 A098862 * A098864 A098865 A098866

KEYWORD

more,nonn

AUTHOR

Pierre CAMI (pierre-cami(AT)bbox.fr), Oct 12 2004

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Last modified February 16 07:10 EST 2012. Contains 205874 sequences.