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Number of n X n 0..1 arrays with row sums 13 and column sums 13.
2

%I #6 Apr 11 2017 16:17:02

%S 0,0,0,0,0,0,0,0,0,0,0,0,1,87178291200,147320988741542099484000,

%T 190637228506535883540302038364160000,

%U 238871596129285108315684789088803525762942560000

%N Number of n X n 0..1 arrays with row sums 13 and column sums 13.

%H R. H. Hardin, <a href="/A172538/b172538.txt">Table of n, a(n) for n=1..19</a>

%Y Column k=13 of A008300.

%K nonn

%O 1,14

%A _R. H. Hardin_, Feb 06 2010