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Search: id:A086262
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A086262 Number of n X n conference matrices (including both symmetric and antisymmetric). +0
3
1, 4, 0, 16, 0, 384, 0, 30720 (list; graph; listen)
OFFSET

1,2

COMMENT

a(n)=A086260(n)+A086261(n) for n>1

LINKS

Eric Weisstein's World of Mathematics, C-Matrix

CROSSREFS

Cf. A086260, A086261.

Adjacent sequences: A086259 A086260 A086261 this_sequence A086263 A086264 A086265

Sequence in context: A079986 A134746 A003195 this_sequence A030212 A007216 A057378

KEYWORD

nonn,more

AUTHOR

Eric Weisstein (eric(AT)weisstein.com), Jul 14, 2003

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Last modified October 13 20:18 EDT 2008. Contains 145016 sequences.


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