%I #4 Mar 31 2012 12:36:12
%S 1,7,256,36659,15083334,14100262412,25784105550034
%N Number of (6*n)Xn binary arrays with rows in nonincreasing order, 6 ones in every column and no more than 3 ones in any row
%C Row 6 of A188416
%e All solutions for 12X2
%e ..1..1....1..1....1..1....1..1....1..0....1..1....1..1
%e ..1..1....1..1....1..1....1..0....1..0....1..1....1..1
%e ..1..1....1..1....1..0....1..0....1..0....1..1....1..1
%e ..1..1....1..1....1..0....1..0....1..0....1..1....1..0
%e ..1..1....1..1....1..0....1..0....1..0....1..0....1..0
%e ..1..1....1..0....1..0....1..0....1..0....1..0....1..0
%e ..0..0....0..1....0..1....0..1....0..1....0..1....0..1
%e ..0..0....0..0....0..1....0..1....0..1....0..1....0..1
%e ..0..0....0..0....0..1....0..1....0..1....0..0....0..1
%e ..0..0....0..0....0..1....0..1....0..1....0..0....0..0
%e ..0..0....0..0....0..0....0..1....0..1....0..0....0..0
%e ..0..0....0..0....0..0....0..0....0..1....0..0....0..0
%K nonn
%O 1,2
%A _R. H. Hardin_ Mar 30 2011
|