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A119574 Binomial(2*n,n)*(n+2)^2/(n+1). +0
1
4, 9, 32, 125, 504, 2058, 8448, 34749, 143000, 588302, 2418624, 9934834, 40770352, 167152500, 684656640, 2801810205, 11455885080, 46801769190, 191055480000, 779363066790, 3177034283280, 12942655253580, 52693956656640 (list; graph; listen)
OFFSET

0,1

MAPLE

[seq (binomial(2*n, n)*(n+2)^2/(n+1), n=0..25)];

CROSSREFS

Cf. A000984.

Sequence in context: A149120 A057819 A129196 this_sequence A006393 A076966 A048757

Adjacent sequences: A119571 A119572 A119573 this_sequence A119575 A119576 A119577

KEYWORD

easy,nonn

AUTHOR

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

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.


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