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A126459 Column 1 of triangle A126457; a(n) = C( C(n+3,3) + 2, n). 5
1, 6, 66, 1540, 66045, 4582116, 470155077, 66983637864, 12655529067060, 3062465626261470, 923729223066105456, 339813167168828020668, 149762733221010818774320, 77904783726874238769542600 (list; graph; refs; listen; history; internal format)
OFFSET

0,2

PROG

(PARI) a(n)=binomial((n+1)*(n+2)*(n+3)/3!+2, n)

CROSSREFS

Cf. A126457, A126458; A126447, A126452, A126456.

Sequence in context: A112942 A113390 A122020 * A054969 A068966 A063039

Adjacent sequences:  A126456 A126457 A126458 * A126460 A126461 A126462

KEYWORD

nonn

AUTHOR

Paul D. Hanna (pauldhanna(AT)juno.com), Dec 27 2006

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Last modified February 17 09:41 EST 2012. Contains 206009 sequences.