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A119008 Number of n X n real symmetric (0,1)-matrices with determinant = 1. 1
1, 1, 4, 268, 9456, 301306, 24846368 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,3

LINKS

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

CROSSREFS

Cf. A086264, A119009.

Sequence in context: A203839 A052136 A089667 * A108134 A221081 A000320

Adjacent sequences:  A119005 A119006 A119007 * A119009 A119010 A119011

KEYWORD

nonn,more

AUTHOR

Giovanni Resta, May 08 2006

STATUS

approved

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Last modified August 15 16:02 EDT 2020. Contains 336505 sequences. (Running on oeis4.)