%I #4 Apr 07 2018 17:21:08
%S 21,185,188,532,4223,14764,48037,227283,940829,3489620,14387459,
%T 59418248,233645986,941269019,3823009297,15290825815,61530089164,
%U 248256753643,996694292892,4011733223504,16159420719685,64946192160119
%N Number of nX7 0..1 arrays with every element equal to 0, 1, 3 or 5 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.
%C Column 7 of A302427.
%H R. H. Hardin, <a href="/A302426/b302426.txt">Table of n, a(n) for n = 1..210</a>
%e Some solutions for n=5
%e ..0..1..0..0..0..1..1. .0..0..1..0..1..0..1. .0..1..0..0..1..1..0
%e ..1..0..0..0..1..0..1. .1..1..1..0..1..0..0. .0..1..1..1..1..1..1
%e ..1..0..1..0..1..0..1. .1..0..1..0..1..0..1. .1..1..1..1..1..1..1
%e ..1..0..1..0..1..1..1. .1..0..0..0..1..0..1. .0..1..0..0..1..1..0
%e ..1..1..0..0..1..0..0. .0..1..0..0..0..1..1. .0..0..1..0..1..0..1
%Y Cf. A302427.
%K nonn
%O 1,1
%A _R. H. Hardin_, Apr 07 2018