A119553 Binomial(binomial(2*n,n)*n^2,n).

1, 2, 276, 955860, 65212649320, 82571843488838760, 1880695497510691320340728, 754603377505528950689544452061864, 5254517954094415196615118245270696186523600

Offset

0,2

Links

Table of n, a(n) for n=0..8.

Maple

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

Crossrefs

Cf. A002736.

Sequence in context: A174710 A200168 A215043 * A093938 A172374 A231041

Adjacent sequences: A119550 A119551 A119552 * A119554 A119555 A119556

Keyword

easy,nonn

Author

Zerinvary Lajos, May 30 2006

Status

approved