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A058959 Numbers n such that 3^n - 4 is prime. +0
1
2, 3, 5, 21, 31, 37, 41, 53, 73, 101, 175, 203, 225, 455, 557, 651, 1333, 4823 (list; graph; listen)
OFFSET

1,1

COMMENT

Next term after 4823 is greater than 10000. - Ryan Propper (rpropper(AT)stanford.edu), Jun 30 2005

MATHEMATICA

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

CROSSREFS

Adjacent sequences: A058956 A058957 A058958 this_sequence A058960 A058961 A058962

Sequence in context: A127078 A076383 A024766 this_sequence A065398 A084838 A051694

KEYWORD

nonn

AUTHOR

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

EXTENSIONS

One additional term, corresponding to a certified prime, from Ryan Propper (rpropper(AT)stanford.edu), Jun 30 2005

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Last modified October 12 15:26 EDT 2008. Contains 144830 sequences.


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