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A188422 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.

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%I A188422 #6 Jul 22 2025 11:12:36
%S A188422 1,8,410,101829,87171345,197263686098,990154499577167
%N A188422 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 A188422 Row 7 of A188416
%e A188422 All solutions for 14X2
%e A188422 ..1..1....1..1....1..1....1..1....1..1....1..1....1..0....1..1
%e A188422 ..1..1....1..1....1..0....1..1....1..1....1..1....1..0....1..1
%e A188422 ..1..0....1..1....1..0....1..1....1..1....1..1....1..0....1..1
%e A188422 ..1..0....1..1....1..0....1..1....1..1....1..0....1..0....1..1
%e A188422 ..1..0....1..1....1..0....1..1....1..1....1..0....1..0....1..0
%e A188422 ..1..0....1..0....1..0....1..1....1..1....1..0....1..0....1..0
%e A188422 ..1..0....1..0....1..0....1..1....1..0....1..0....1..0....1..0
%e A188422 ..0..1....0..1....0..1....0..0....0..1....0..1....0..1....0..1
%e A188422 ..0..1....0..1....0..1....0..0....0..0....0..1....0..1....0..1
%e A188422 ..0..1....0..0....0..1....0..0....0..0....0..1....0..1....0..1
%e A188422 ..0..1....0..0....0..1....0..0....0..0....0..1....0..1....0..0
%e A188422 ..0..1....0..0....0..1....0..0....0..0....0..0....0..1....0..0
%e A188422 ..0..0....0..0....0..1....0..0....0..0....0..0....0..1....0..0
%e A188422 ..0..0....0..0....0..0....0..0....0..0....0..0....0..1....0..0
%K A188422 nonn
%O A188422 1,2
%A A188422 _R. H. Hardin_ Mar 30 2011

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