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A050898
Numbers n such that 279*2^n-1 is prime.
0
1, 4, 12, 29, 35, 56, 77, 93, 209, 221, 412, 441, 460, 899, 1859, 1896, 2504, 5315, 6520, 9324, 9460, 11336, 11760, 12317, 21080, 25029, 27064, 29236, 35396, 42791, 55851, 57752, 61551, 73272, 117820, 123253, 162705, 201152, 277455, 318317, 455704
OFFSET
1,2
PROG
(PARI) is(n)=ispseudoprime(279*2^n-1) \\ Charles R Greathouse IV, Jun 13 2017
CROSSREFS
Sequence in context: A091521 A329483 A350822 * A009845 A014342 A086274
KEYWORD
hard,nonn
AUTHOR
N. J. A. Sloane, Dec 29 1999
EXTENSIONS
More terms from Herman Jamke (hermanjamke(AT)fastmail.fm), Jan 02 2008
STATUS
approved