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A086261
Number of antisymmetric n X n conference matrices.
2
1, 2, 0, 16, 0, 0, 0, 30720, 0, 0, 0, 1486356480, 0
OFFSET
1,2
LINKS
Eric Weisstein's World of Mathematics, C-Matrix
CROSSREFS
Sequence in context: A277928 A232423 A074031 * A111978 A146558 A364514
KEYWORD
nonn,more
AUTHOR
Eric W. Weisstein, Jul 14 2003
EXTENSIONS
a(9)-a(13) from Martin Ehrenstein, Oct 07 2021
STATUS
approved