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%I #3 May 11 2016 15:03:10
%S 1,1,16,71,367,838,4892,26051,198970
%N Number of nX7 0..1 arrays with exactly n+7-1 having value 1 and no three 1s forming an isosceles right triangle.
%C Column 7 of A272965.
%e Some solutions for n=6
%e ..1..0..0..1..1..0..1. .0..0..0..1..1..1..1. .0..0..1..0..1..1..0
%e ..0..0..0..0..0..0..1. .0..1..0..0..0..0..0. .0..1..0..0..0..0..1
%e ..0..0..0..0..0..1..0. .1..0..0..0..0..0..0. .1..0..0..0..0..0..0
%e ..0..1..0..0..0..0..0. .1..0..0..0..0..0..0. .1..0..0..0..0..0..0
%e ..0..1..0..0..0..0..1. .0..1..0..1..0..0..0. .1..0..0..1..0..1..0
%e ..1..0..0..1..0..0..1. .0..0..0..1..0..1..1. .1..0..0..0..0..0..1
%Y Cf. A272965.
%K nonn
%O 1,3
%A _R. H. Hardin_, May 11 2016
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