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A086228 Determinant of n X n matrix M(i,j)=binomial(2i+1, j). +0
3
1, 3, 15, 140, 2520, 88704, 6150144, 843448320, 229417943040, 123987652771840, 133311524260282368, 285432092670742757376, 1217843595395169098137600, 10360289146303272377017958400, 175805226564926843718814452940800 (list; graph; listen)
OFFSET

0,2

FORMULA

a(n) = 2^(n*(n-3)/2)*(n+1)*binomial(2*n+1, n)

CROSSREFS

Cf. A001803.

Sequence in context: A113723 A113379 A005816 this_sequence A136519 A102556 A016065

Adjacent sequences: A086225 A086226 A086227 this_sequence A086229 A086230 A086231

KEYWORD

nonn

AUTHOR

Benoit Cloitre (benoit7848c(AT)orange.fr), Aug 28 2003

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Last modified November 21 14:49 EST 2008. Contains 150807 sequences.


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