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%I
%S 305540235000,54918587341306311174536985000,
%T 70118545603035216189674302236706595177583000000,
%U 232273808505581071157606795985678847488890659685774558806222665000
%N Number of 5*n X 20 0..2 arrays with row sums 4 and column sums n
%H R. H. Hardin, <a href="/A172691/b172691.txt">Table of n, a(n) for n=1..10</a>
%K nonn
%O 1,1
%A _R. H. Hardin_ Feb 06 2010
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