A118995 - OEIS

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A118995

Number of real n X n symmetric (+1,-1) matrices with positive permanent.

1, 4, 32, 592, 11904, 1192384, 134217728 (list; graph; refs; listen; history; internal format)

	OFFSET	`1,2`
	CROSSREFS	`Cf. A086900, A118994, A118999.` `Sequence in context: A086899 A013041 A006024 * A134087 A132854 A136471` `Adjacent sequences: A118992 A118993 A118994 * A118996 A118997 A118998`
	KEYWORD	`nonn,more`
	AUTHOR	`Giovanni Resta (g.resta(AT)iit.cnr.it), May 08 2006`

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Last modified February 17 19:13 EST 2012. Contains 206085 sequences.