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A059748 Numbers n such that 5*2^n + 7 is prime. 0
1, 3, 5, 7, 11, 15, 19, 21, 31, 37, 47, 51, 59, 109, 163, 199, 221, 659, 709, 1795, 2525 (list; graph; refs; listen; history; internal format)
OFFSET

1,2

MATHEMATICA

Do[ If[ PrimeQ[ 5*2^n + 7 ], Print[n] ], {n, 1, 3000} ]

CROSSREFS

Sequence in context: A076245 A172308 A190812 * A122124 A007665 A194602

Adjacent sequences:  A059745 A059746 A059747 * A059749 A059750 A059751

KEYWORD

nonn

AUTHOR

Robert G. Wilson v (rgwv(AT)rgwv.com), Feb 10 2001

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Last modified February 16 19:06 EST 2012. Contains 205945 sequences.