%I #4 Apr 06 2018 12:41:42
%S 8,2208,127535,8334338,535192095,34271733937,2195619257236,
%T 140685735128595,9013655138528774,577518643711241385,
%U 37002236612561808562,2370775298902153257752,151898260084738496346512
%N Number of nX7 0..1 arrays with every element equal to 1, 2, 3 or 4 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.
%C Column 7 of A302381.
%H R. H. Hardin, <a href="/A302380/b302380.txt">Table of n, a(n) for n = 1..210</a>
%e Some solutions for n=5
%e ..0..0..1..1..0..0..0. .0..0..1..1..1..0..0. .0..0..1..0..1..1..1
%e ..0..1..0..0..1..0..0. .0..1..0..1..1..0..0. .0..1..0..0..0..0..0
%e ..0..1..0..0..1..0..0. .0..1..0..0..0..0..0. .0..1..0..0..1..1..1
%e ..1..0..0..1..0..0..0. .1..0..0..1..1..0..0. .1..0..0..1..1..0..0
%e ..0..0..1..1..1..1..0. .0..0..1..1..0..1..1. .0..0..1..0..1..0..0
%Y Cf. A302381.
%K nonn
%O 1,1
%A _R. H. Hardin_, Apr 06 2018
|