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Search: id:A070781
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A070781 a(n)=binomial(binomial(n+1,n)^2,n^2). +0
1
1, 4, 126, 11440, 2042975, 600805296, 262596783764, 159518999862720, 128447994798305325, 132341572939212267400, 169758547725351091518726, 265242021590899282966358400, 495874093230232452749553398586 (list; graph; listen)
OFFSET

0,2

FORMULA

a(n) = binomial((n+1)^2, n^2). - Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Jul 14 2005

CROSSREFS

Sequence in context: A116944 A124260 A054053 this_sequence A128790 A013823 A130318

Adjacent sequences: A070778 A070779 A070780 this_sequence A070782 A070783 A070784

KEYWORD

nonn

AUTHOR

Karol A. Penson (penson(AT)lptl.jussieu.fr), May 06 2002

page 1

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Last modified July 6 17:22 EDT 2008. Contains 140988 sequences.


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