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

0,2

FORMULA

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

CROSSREFS

Cf. A001803.

Sequence in context: A179470 A179471 A203417 * A181535 A162078 A195226

Adjacent sequences:  A086225 A086226 A086227 * A086229 A086230 A086231

KEYWORD

nonn

AUTHOR

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

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Last modified February 16 04:47 EST 2012. Contains 205860 sequences.