|
%I
%S 1,8,410,101829,87171345,197263686098,990154499577167
%N Number of (7*n)Xn binary arrays with rows in nonincreasing order, 7 ones in every column and no more than 3 ones in any row
%C Row 7 of A188416
%e All solutions for 14X2
%e ..1..1....1..1....1..1....1..1....1..1....1..1....1..0....1..1
%e ..1..1....1..1....1..0....1..1....1..1....1..1....1..0....1..1
%e ..1..0....1..1....1..0....1..1....1..1....1..1....1..0....1..1
%e ..1..0....1..1....1..0....1..1....1..1....1..0....1..0....1..1
%e ..1..0....1..1....1..0....1..1....1..1....1..0....1..0....1..0
%e ..1..0....1..0....1..0....1..1....1..1....1..0....1..0....1..0
%e ..1..0....1..0....1..0....1..1....1..0....1..0....1..0....1..0
%e ..0..1....0..1....0..1....0..0....0..1....0..1....0..1....0..1
%e ..0..1....0..1....0..1....0..0....0..0....0..1....0..1....0..1
%e ..0..1....0..0....0..1....0..0....0..0....0..1....0..1....0..1
%e ..0..1....0..0....0..1....0..0....0..0....0..1....0..1....0..0
%e ..0..1....0..0....0..1....0..0....0..0....0..0....0..1....0..0
%e ..0..0....0..0....0..1....0..0....0..0....0..0....0..1....0..0
%e ..0..0....0..0....0..0....0..0....0..0....0..0....0..1....0..0
%K nonn
%O 1,2
%A _R. H. Hardin_ Mar 30 2011
| 