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A136419 Binomial((n+2)*(n+1),(n+1)*n). 0
1, 15, 924, 125970, 30045015, 11058116888, 5804731963800, 4116305022165108, 3789648142708598775, 4393971523180763714190, 6264034568006128435579200, 10768081679718351117338193075, 21964431474217462812712934302044 (list; graph; refs; listen; history; internal format)
OFFSET

0,2

PROG

(Other) sage: [binomial(n*(n+1), 2*n) for n in xrange(1, 14)] # [From Zerinvary Lajos (zerinvarylajos(AT)yahoo.com), Jun 01 2009]

CROSSREFS

Sequence in context: A121292 A157462 A042747 * A103639 A055413 A067408

Adjacent sequences:  A136416 A136417 A136418 * A136420 A136421 A136422

KEYWORD

nonn

AUTHOR

Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Apr 13 2008

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Last modified February 14 07:45 EST 2012. Contains 205597 sequences.