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%I #3 Apr 09 2013 10:22:30
%S 5682,54182,248442,855192,2319872,5617912,11946912,23683432,43615442,
%T 76232022,126661082,203564942,314635222,473400002,693921022
%N Number of idempotent 5X5 0..n matrices
%C Row 5 of A222821
%e Some solutions for n=3
%e ..1..0..0..2..0....0..0..0..0..0....0..0..0..0..0....1..0..0..0..0
%e ..0..1..2..2..0....0..1..0..0..3....0..0..0..0..0....0..0..0..0..2
%e ..0..0..0..0..0....2..0..0..1..3....3..1..1..0..0....0..0..0..0..3
%e ..0..0..0..0..0....2..0..0..1..3....3..2..0..1..0....2..0..0..0..0
%e ..0..0..2..1..1....0..0..0..0..0....2..1..0..0..1....0..0..0..0..1
%K nonn
%O 1,1
%A _R. H. Hardin_ Apr 09 2013
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