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A108288 Main diagonal of table A060543; a(n) = C((n+1)^2-1, n*(n+1)). 2
1, 3, 28, 455, 10626, 324632, 12271512, 553270671, 28987537150, 1731030945644, 116068178638776, 8634941152058949, 705873715441872264, 62895036884524942320, 6067037854078498539696, 629921975126394617164575 (list; graph; refs; listen; history; internal format)
OFFSET

0,2

FORMULA

a(n)=A060545(n+1). [From R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Aug 24 2008]

PROG

(PARI) a(n)=binomial((n+1)^2-1, n*(n+1))

CROSSREFS

Cf. A108267, A060543, A108289.

Sequence in context: A086569 A143636 A060545 * A058804 A180710 A005328

Adjacent sequences:  A108285 A108286 A108287 * A108289 A108290 A108291

KEYWORD

nonn

AUTHOR

Paul D. Hanna (pauldhanna(AT)juno.com), May 31 2005

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Last modified February 17 16:00 EST 2012. Contains 206050 sequences.