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%I #13 Apr 11 2017 16:57:56
%S 1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,355687428096000,
%T 3237415247416050491577971184000,
%U 13564406360915457771720399143711430952267776000,37911589613425952733393718264069147678877877626169022024515000
%N Number of n X n 0..1 arrays with row sums 16 and column sums 16.
%H Brendan D. McKay, <a href="/A172542/b172542.txt">Table of n, a(n) for n = 0..30</a> (terms n=1..20 from R. H. Hardin)
%H E. R. Canfield and B. D. McKay, <a href="http://www.combinatorics.org/ojs/index.php/eljc/article/view/v12i1r29">Asymptotic enumeration of dense 0-1 matrices with equal row and column sums</a>
%H Shalosh B. Ekhad and Doron Zeilberger, <a href="http://www.math.rutgers.edu/~zeilberg/mamarim/mamarimhtml/bipartite.html">In How Many Ways Can n (Straight) Men and n (Straight) Women Get Married, if Each Person Has Exactly k Spouses</a>, Maple package Bipartite.
%H B. D. McKay, <a href="http://users.cecs.anu.edu.au/~bdm/data/semiregular.html">0-1 matrices with constant row and column sums</a>
%Y Column k=16 of A008300.
%K nonn
%O 0,18
%A _R. H. Hardin_, Feb 06 2010
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