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%I #4 Mar 31 2012 12:35:42
%S 1,231,4645936,2503134855620,18123941520898218600,
%T 1125711921752126203903372141,436763455430178705879474096982721048,
%U 835840537229783152562450810757651648205244120
%N Number of 2*n X n 0..6 arrays with row sums 6 and column sums 12
%H R. H. Hardin, <a href="/A172908/b172908.txt">Table of n, a(n) for n=1..15</a>
%K nonn
%O 1,2
%A _R. H. Hardin_ Feb 06 2010
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