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A172536 Number of n X n 0..1 arrays with row sums 8 and column sums 8. 2

%I #6 Apr 11 2017 16:02:23

%S 0,0,0,0,0,0,0,1,362880,1371785398200,7673688777463632000,

%T 65599839591251908982712750,885282776210120715086715619724160,

%U 19040419266278799766631032461849139013040

%N Number of n X n 0..1 arrays with row sums 8 and column sums 8.

%H R. H. Hardin, <a href="/A172536/b172536.txt">Table of n, a(n) for n=1..22</a>

%Y Column k=8 of A008300.

%K nonn

%O 1,9

%A _R. H. Hardin_, Feb 06 2010

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Last modified April 19 21:09 EDT 2024. Contains 371798 sequences. (Running on oeis4.)