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A055602
Number of n X n binary matrices with no zero rows or columns and with n+1 ones.
+0
8
0, 4, 45, 432, 4200, 43200, 476280, 5644800, 71850240, 979776000, 14270256000, 221298739200, 3642807168000, 63465795993600, 1167099373440000, 22596613079040000, 459548157100032000, 9795631769763840000
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Maintained by
N. J. A. Sloane
(
njas@research.att.com
)
Last modified November 27 22:38 EST 2009. Contains 167602 sequences.
AT&T Labs Research
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