%I #4 Apr 03 2018 12:05:13
%S 64,21,1065,172,6423,8756,55922,465040,1136003,19265064,60547641,
%T 699553699,3796928584,26139308319,214325335931,1151196050162,
%U 10992872734396,60033419186727,538343914163895,3376563558675197
%N Number of 7Xn 0..1 arrays with every element equal to 0, 2 or 3 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.
%C Row 7 of A302212.
%H R. H. Hardin, <a href="/A302217/b302217.txt">Table of n, a(n) for n = 1..111</a>
%e Some solutions for n=5
%e ..0..1..1..0..1. .0..0..0..1..1. .0..1..1..0..0. .0..0..1..1..0
%e ..1..1..0..0..0. .1..0..1..1..1. .1..1..0..0..1. .1..0..0..1..1
%e ..0..0..1..1..1. .1..0..0..1..0. .0..1..1..0..0. .1..0..0..1..0
%e ..0..0..1..1..0. .0..0..1..1..0. .0..1..1..0..0. .1..0..0..1..1
%e ..1..0..0..1..0. .0..0..1..1..0. .0..1..0..0..1. .1..0..1..1..1
%e ..1..0..1..1..1. .0..0..1..1..0. .1..1..0..0..1. .1..0..0..1..0
%e ..0..0..0..1..0. .1..0..0..1..1. .1..1..1..0..0. .0..0..0..1..0
%Y Cf. A302212.
%K nonn
%O 1,1
%A _R. H. Hardin_, Apr 03 2018