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%I #4 Mar 31 2012 12:35:40
%S 0,0,0,24,111920,2030271480,91358224634433,9350902053107858880,
%T 2018328183128437950016800,859819730886010540636567920000,
%U 682948436592331311886782349445512800
%N Number of n X n 0..2 arrays with row sums 7 and column sums 7
%H R. H. Hardin, <a href="/A172628/b172628.txt">Table of n, a(n) for n=1..21</a>
%K nonn
%O 1,4
%A _R. H. Hardin_ Feb 06 2010