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A282861 Number of nX7 0..1 arrays with no 1 equal to more than one of its horizontal, vertical and antidiagonal neighbors. 1

%I

%S 81,2028,49471,1369929,35681883,945547378,25000646212,660597156170,

%T 17464365749979,461623512113494,12202233224208515,322544923721567414,

%U 8525895890487351554,225367025047699642436,5957177684230357360501

%N Number of nX7 0..1 arrays with no 1 equal to more than one of its horizontal, vertical and antidiagonal neighbors.

%C Column 7 of A282862.

%H R. H. Hardin, <a href="/A282861/b282861.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=3

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

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

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

%Y Cf. A282862.

%K nonn

%O 1,1

%A _R. H. Hardin_, Feb 23 2017

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Last modified February 24 20:33 EST 2020. Contains 332210 sequences. (Running on oeis4.)