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A119010 Number of symmetric n X n (+1,-1)-matrices over the reals with zero permanent. 2
0, 4, 0, 192, 8960, 371200, 0 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
LINKS
CROSSREFS
Sequence in context: A298447 A138734 A265596 * A255018 A176050 A099841
KEYWORD
nonn,more
AUTHOR
Giovanni Resta, May 08 2006
STATUS
approved

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Last modified May 26 18:06 EDT 2024. Contains 372840 sequences. (Running on oeis4.)