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A119009 Number of n X n real symmetric (0,1)-matrices with permanent = 1. 1
1, 4, 22, 286, 5126, 190096, 9477868 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..7.

CROSSREFS

Cf. A089482, A119008.

Sequence in context: A125801 A195227 A265908 * A326883 A317803 A053722

Adjacent sequences:  A119006 A119007 A119008 * A119010 A119011 A119012

KEYWORD

nonn,more

AUTHOR

Giovanni Resta, May 08 2006

STATUS

approved

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Last modified August 9 22:42 EDT 2020. Contains 336335 sequences. (Running on oeis4.)