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%I #4 Mar 16 2018 09:06:20
%S 21,11,101,530,2975,16587,99717,628078,4085574,26803581,176672818,
%T 1167853353,7727739359,51133275030,338411771448,2240013488296,
%U 14827127102453,98143499126149,649628272106039,4299947674444031
%N Number of nX7 0..1 arrays with every element equal to 0, 1, 3, 4 or 6 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.
%C Column 7 of A300944.
%H R. H. Hardin, <a href="/A300943/b300943.txt">Table of n, a(n) for n = 1..210</a>
%e Some solutions for n=5
%e ..0..0..0..1..1..1..1. .0..1..1..1..1..1..0. .0..1..0..1..1..0..1
%e ..1..0..0..0..1..1..1. .0..0..1..0..1..1..1. .0..0..1..1..1..0..1
%e ..1..1..0..0..1..1..1. .0..0..1..1..0..1..1. .0..0..1..1..1..1..1
%e ..1..1..0..0..1..1..1. .0..1..1..1..0..1..0. .1..0..0..0..0..0..1
%e ..1..1..1..0..1..1..0. .0..1..1..1..1..1..1. .1..0..0..0..0..0..0
%Y Cf. A300944.
%K nonn
%O 1,1
%A _R. H. Hardin_, Mar 16 2018