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Number of nX7 0..1 arrays with no 1 equal to more than two of its horizontal, diagonal and antidiagonal neighbors.
1

%I #4 Mar 14 2017 16:15:50

%S 128,6081,268285,13354587,640543058,30968693109,1496646288297,

%T 72299799564414,3493423029563345,168787432899036492,

%U 8155161269130497936,394026399329673608352,19037838247755538800787,919835398042802262299271

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

%C Column 7 of A283691.

%H R. H. Hardin, <a href="/A283690/b283690.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=2

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

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

%Y Cf. A283691.

%K nonn

%O 1,1

%A _R. H. Hardin_, Mar 14 2017