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A119552 Binomial(binomial(2*n,n)*n,n). +0
1
1, 2, 66, 34220, 250654530, 26255517781752, 40219012695854521452, 915602638690858051785326904, 313119156483427472599890586326722370, 1620758891081732168210880572699959520551984700 (list; graph; listen)
OFFSET

0,2

MAPLE

[seq (binomial(binomial(2*n, n)*n, n), n=0..10)];

CROSSREFS

Cf. A005430.

Sequence in context: A069865 A092884 A139822 this_sequence A016535 A139864 A139861

Adjacent sequences: A119549 A119550 A119551 this_sequence A119553 A119554 A119555

KEYWORD

easy,nonn

AUTHOR

Zerinvary Lajos (zerinvarylajos(AT)yahoo.com), May 30 2006

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Last modified July 26 13:41 EDT 2008. Contains 142293 sequences.


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