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A139675 Number of n X n symmetric binary matrices with all row sums 8. +0
1
1, 2620, 8372754, 30649435140, 133475706272700 (list; graph; listen)
OFFSET

8,2
CROSSREFS

Sequence in context: A054258 A066871 A156398 this_sequence A020439 A157609 A167191

Adjacent sequences: A139672 A139673 A139674 this_sequence A139676 A139677 A139678

KEYWORD

nonn

AUTHOR

Ron Hardin (rhhardin(AT)att.net), Jun 12 2008

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.

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