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A058958 Numbers n such that 3^n + 4 is prime. 1
1, 2, 3, 6, 9, 10, 22, 30, 42, 57, 87, 174, 195, 198, 562, 994, 2421, 2487 (list; graph; refs; listen; history; internal format)
OFFSET

1,2

MATHEMATICA

Do[ If[ PrimeQ[3^n + 4], Print[n] ], {n, 1, 3000} ]

CROSSREFS

Sequence in context: A191178 A191127 A157217 * A189708 A127590 A118730

Adjacent sequences:  A058955 A058956 A058957 * A058959 A058960 A058961

KEYWORD

nonn

AUTHOR

Robert G. Wilson v (rgwv(AT)rgwv.com), Jan 13 2001

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Last modified February 15 17:13 EST 2012. Contains 205828 sequences.