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A059075 Numbers n such that 2*7^n + 3 is prime. +0
1
0, 1, 2, 5, 11, 30, 57, 78, 91, 390, 462, 667, 1214, 1811, 2054, 2937, 3055 (list; graph; listen)
OFFSET

1,3

MATHEMATICA

Do[ If[ PrimeQ[ 2*7^n + 3 ], Print[n] ], {n, 1, 6000} ]

CROSSREFS

Adjacent sequences: A059072 A059073 A059074 this_sequence A059076 A059077 A059078

Sequence in context: A117719 A014211 A092764 this_sequence A121134 A131347 A079225

KEYWORD

nonn

AUTHOR

Robert G. Wilson v (rgwv(AT)rgwv.com), Feb 12 2001

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Last modified October 13 20:18 EDT 2008. Contains 145016 sequences.


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