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%I #2 Feb 27 2009 03:00:00
%S 1,5,120,8831,1248696,275064055
%N Related to A097871.
%C In A097871, for each k, decide where the first k in row k will be and where the first k in column k will be. Suppose this partial matrix is K. Sequence gives the number of such K's.
%Y Cf. A097871.
%K nonn
%O 1,2
%A Guenter Stertenbrink (Sterten(AT)aol.com), Sep 08 2004
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