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Number of (7*n)X7 binary arrays with rows in nonincreasing order, n ones in every column and no more than 3 ones in any row
0

%I #4 Mar 31 2012 12:36:12

%S 652,282349,57967660,6720357785,498407294632,25784105550034,

%T 990154499577167

%N Number of (7*n)X7 binary arrays with rows in nonincreasing order, n ones in every column and no more than 3 ones in any row

%C Column 7 of A188416

%e Some solutions for 14X7

%e ..1..0..0..0..0..1..1....1..0..0..0..0..1..0....1..0..0..1..0..0..1

%e ..1..0..0..0..0..0..0....1..0..0..0..0..0..0....1..0..0..0..0..0..1

%e ..0..1..0..1..0..0..0....0..1..0..1..1..0..0....0..1..0..1..1..0..0

%e ..0..1..0..0..0..1..0....0..1..0..0..0..0..1....0..1..0..0..0..0..0

%e ..0..0..1..0..0..0..0....0..0..1..1..0..0..0....0..0..1..0..1..0..0

%e ..0..0..1..0..0..0..0....0..0..1..0..0..0..1....0..0..1..0..0..1..0

%e ..0..0..0..1..1..0..0....0..0..0..0..1..0..0....0..0..0..0..0..1..0

%e ..0..0..0..0..1..0..0....0..0..0..0..0..1..0....0..0..0..0..0..0..0

%e ..0..0..0..0..0..0..1....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..0

%e ..0..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..0

%e ..0..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..0

%K nonn

%O 1,1

%A _R. H. Hardin_ Mar 30 2011