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A119582 (n^2+n^3)*(binomial(2*n,n))/2. 0
0, 2, 36, 360, 2800, 18900, 116424, 672672, 3706560, 19691100, 101615800, 512143632, 2531090016, 12303909800, 58971402000, 279211536000, 1307950928640, 6069709778220, 27933266453400, 127596402318000 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Table of n, a(n) for n=0..19.

MAPLE

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

CROSSREFS

Cf. A000984, A011379.

Sequence in context: A035603 A126735 A229679 * A157055 A057407 A286266

Adjacent sequences:  A119579 A119580 A119581 * A119583 A119584 A119585

KEYWORD

easy,nonn

AUTHOR

Zerinvary Lajos, May 31 2006

STATUS

approved

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Last modified July 10 12:53 EDT 2020. Contains 335576 sequences. (Running on oeis4.)