A086261 - OEIS

A086261

Number of antisymmetric n X n conference matrices.

1, 2, 0, 16, 0, 0, 0, 30720, 0, 0, 0, 1486356480, 0 (list; graph; refs; listen; history; text; internal format)

	OFFSET	`1,2`
	LINKS	`Table of n, a(n) for n=1..13.` `Eric Weisstein's World of Mathematics, C-Matrix`
	CROSSREFS	`Cf. A086260, A086262.` `Sequence in context: A277928 A232423 A074031 * A111978 A146558 A025600` `Adjacent sequences: A086258 A086259 A086260 * A086262 A086263 A086264`
	KEYWORD	`nonn,more`
	AUTHOR	`Eric W. Weisstein, Jul 14 2003`
	EXTENSIONS	`a(9)-a(13) from Martin Ehrenstein, Oct 07 2021`
	STATUS	`approved`

Last modified August 8 09:40 EDT 2022. Contains 356009 sequences. (Running on oeis4.)