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A059621 Numbers n such that (5*3^n + 7)/2 is prime. 0
1, 3, 7, 9, 19, 27, 57, 69, 163, 175, 357, 379, 3045 (list; graph; refs; listen; history; internal format)
OFFSET

1,2

MATHEMATICA

Do[ If[ PrimeQ[ (5*3^n + 7)/2 ], Print[n] ], {n, 0, 10000} ]

CROSSREFS

Sequence in context: A032913 A154508 A073573 * A034926 A096102 A045797

Adjacent sequences:  A059618 A059619 A059620 * A059622 A059623 A059624

KEYWORD

nonn

AUTHOR

Robert G. Wilson v (rgwv(AT)rgwv.com), Feb 19 2001

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Last modified February 14 22:50 EST 2012. Contains 205684 sequences.