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A129828 Primes p such that p divides both Apery numbers A005259((p-3)/2) and A005259((p+1)/2). +0
1
5, 19, 37, 283, 367, 3347 (list; graph; listen)
OFFSET

1,1

LINKS

Eric Weisstein, Link to a section of The World of Mathematics. Apery Number.

MATHEMATICA

a=5; b=73; Do[ c=a; a=b; b=( (34*n^3 + 51*n^2 + 27*n +5)*b - n^3*c )/(n+1)^3; If[ PrimeQ[2n-1] && IntegerQ[a/(2n-1)], Print[2n-1] ], {n, 2, 10000} ].

CROSSREFS

Cf. A005259 = Apery numbers: Sum_{k=0..n} (binomial(n, k)*binomial(n+k, k))^2.

Sequence in context: A029523 A031093 A068963 this_sequence A031379 A125202 A024841

Adjacent sequences: A129825 A129826 A129827 this_sequence A129829 A129830 A129831

KEYWORD

hard,more,nonn

AUTHOR

Alexander Adamchuk (alex(AT)kolmogorov.com), May 20 2007

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Last modified July 24 12:00 EDT 2008. Contains 142294 sequences.


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