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A032460
Numbers n such that 167*2^n+1 is prime.
2
7, 103, 151, 247, 10183, 55447
OFFSET
1,1
PROG
(PARI) is(n)=ispseudoprime(167*2^n+1) \\ Charles R Greathouse IV, May 22 2017
CROSSREFS
Sequence in context: A223239 A140633 A142400 * A267234 A246914 A274670
KEYWORD
nonn,hard
AUTHOR
STATUS
approved