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A272968 Number of nX3 0..1 arrays with exactly n+3-2 having value 1 and no three 1s forming an isosceles triangle. 0

%I

%S 3,10,12,4,14,36,23,44,14,48,14,52,14,56,16,60,14,64,14,68,14,72

%N Number of nX3 0..1 arrays with exactly n+3-2 having value 1 and no three 1s forming an isosceles triangle.

%C Column 3 of A272973.

%e Some solutions for n=3

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

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

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

%Y Cf. A272973.

%K nonn

%O 1,1

%A _R. H. Hardin_, May 11 2016

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Last modified September 21 04:10 EDT 2021. Contains 347596 sequences. (Running on oeis4.)