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Search: id:A057191
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A057191 Numbers n such that (25^n+1)/26 is a prime. +0
3
3, 7, 23, 29, 59, 1249, 1709, 1823, 1931, 3433, 8863 (list; graph; listen)
OFFSET

1,1

COMMENT

Some of the larger terms may only correspond to probable primes.

LINKS

H. Dubner and T. Granlund, Primes of the Form (b^n+1)/(b+1), J. Integer Sequences, 3 (2000), #P00.2.7.

CROSSREFS

Sequence in context: A032403 A072584 A139513 this_sequence A090548 A087309 A133280

Adjacent sequences: A057188 A057189 A057190 this_sequence A057192 A057193 A057194

KEYWORD

nonn

AUTHOR

njas, Sep 15 2000

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Last modified July 4 18:25 EDT 2008. Contains 140886 sequences.


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