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A119577 (n+n^2+n^3)*(binomial(2*n,n))/2 n=0 to infinity. +0
1
0, 3, 42, 390, 2940, 19530, 119196, 684684, 3758040, 19909890, 102539580, 516023508, 2547314952, 12371513700, 59252218200, 280374917400, 1312759571760, 6089545431090, 28014942671100, 127932182324100 (list; graph; listen)
OFFSET

0,2

MAPLE

[seq ((n+n^2+n^3)*(binomial(2*n, n))/2, n=0..29)];

CROSSREFS

Cf. A000984.

Sequence in context: A015786 A157537 A114943 this_sequence A051273 A084512 A084522

Adjacent sequences: A119574 A119575 A119576 this_sequence A119578 A119579 A119580

KEYWORD

easy,nonn

AUTHOR

Zerinvary Lajos (zerinvarylajos(AT)yahoo.com), May 31 2006

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Last modified December 18 21:37 EST 2009. Contains 171024 sequences.


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