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%I #3 Apr 13 2013 07:37:58
%S 4750292,1642077,1978918,2157776,2240464,2277483,2294940,2304404,
%T 2847472,3747087,4826296
%N Number of (n+6)X10 0..2 matrices with each 7X7 subblock idempotent
%C Column 4 of A224642
%e Some solutions for n=2
%e ..1..1..1..1..0..0..0..0..1..0....1..0..0..0..0..0..0..0..0..0
%e ..0..0..0..0..0..0..0..0..0..0....1..0..0..0..0..0..0..0..0..1
%e ..0..0..0..0..0..0..0..0..0..0....0..0..0..0..0..0..0..0..0..2
%e ..0..0..0..0..0..0..0..0..0..0....2..0..0..0..0..0..0..0..0..0
%e ..0..0..0..0..0..0..0..0..0..0....0..0..0..0..0..0..0..0..0..0
%e ..0..0..0..0..0..0..0..0..0..0....0..0..0..0..0..0..0..0..0..0
%e ..0..0..0..0..0..0..0..0..0..0....1..0..0..0..0..0..0..0..0..1
%e ..0..0..0..0..2..2..1..1..1..1....2..0..0..0..0..0..0..0..0..1
%K nonn
%O 1,1
%A _R. H. Hardin_ Apr 13 2013