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A059569 Numbers n such that (7*3^n - 5)/2 is prime. 0
2, 4, 6, 8, 38, 66, 72, 126, 140, 152, 174, 332, 710, 820, 2528, 2582, 2668, 2776, 2982, 3826 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

MATHEMATICA

Do[ If[ PrimeQ[ (7*3^n - 5)/2 ], Print[n] ], {n, 0, 4500} ]

CROSSREFS

Sequence in context: A135632 A068541 A108425 * A083433 A083435 A163502

Adjacent sequences:  A059566 A059567 A059568 * A059570 A059571 A059572

KEYWORD

nonn

AUTHOR

Robert G. Wilson v (rgwv(AT)rgwv.com), Feb 16 2001

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Last modified February 17 14:50 EST 2012. Contains 206050 sequences.