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A098856 Numbers n such that 4^n*(2^n-1)+1 is a prime. 1
1, 3, 19, 34, 51, 318, 3670, 6348 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..8.

CROSSREFS

Sequence in context: A056246 A061427 A069516 * A178201 A062291 A106082

Adjacent sequences:  A098853 A098854 A098855 * A098857 A098858 A098859

KEYWORD

more,nonn

AUTHOR

Pierre CAMI, Oct 11 2004

EXTENSIONS

6348, corresponding to a probable prime, from Ryan Propper, Jun 18 2005

Edited by T. D. Noe, Oct 30 2008

STATUS

approved

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Last modified December 11 03:18 EST 2016. Contains 279034 sequences.