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A050891
Numbers n such that 265*2^n-1 is prime.
0
11, 17, 19, 21, 37, 49, 59, 145, 163, 289, 587, 737, 1029, 1061, 1873, 2265, 3271, 3943, 5429, 6067, 6133, 6277, 10101, 10967, 11497, 18799, 27551, 34883, 37459, 44897, 74743, 113473, 323083
OFFSET
1,1
PROG
(PARI) is(n)=ispseudoprime(265*2^n-1) \\ Charles R Greathouse IV, Jun 13 2017
CROSSREFS
Sequence in context: A256546 A031329 A050658 * A226630 A061751 A063449
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