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A057916 Numbers n such that 3*5^n + 2 is prime. 0
1, 4, 5, 6, 10, 18, 30, 34, 53, 256, 304, 309, 400, 468, 766, 1470, 2125, 2238, 2404, 4708 (list; graph; refs; listen; history; internal format)
OFFSET

1,2

MATHEMATICA

Do[ If[ PrimeQ[ 3*5^n + 2 ], Print[ n ] ], {n, 1, 2000} ]

CROSSREFS

Sequence in context: A079257 A001609 A101590 * A162415 A007606 A047311

Adjacent sequences:  A057913 A057914 A057915 * A057917 A057918 A057919

KEYWORD

nonn

AUTHOR

Robert G. Wilson v (rgwv(AT)rgwv.com), Nov 16 2000

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Last modified February 17 02:08 EST 2012. Contains 205978 sequences.