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%I #4 Apr 03 2018 12:15:08
%S 5,537,3425,38736,338204,3420704,32181643,310963650,2973099477,
%T 28539661221,273649285789,2623829240629,25163515492994,
%U 241281374262345,2313955414338689,22188973218594562,212790004250803955
%N Number of nX6 0..1 arrays with every element equal to 1, 2 or 3 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.
%C Column 6 of A302224.
%H R. H. Hardin, <a href="/A302222/b302222.txt">Table of n, a(n) for n = 1..210</a>
%e Some solutions for n=5
%e ..0..0..1..0..0..0. .0..0..0..0..1..1. .0..0..1..1..0..0. .0..0..1..0..1..0
%e ..0..1..1..1..0..1. .0..1..1..0..0..1. .0..0..0..1..0..0. .0..1..1..1..0..1
%e ..0..0..0..1..1..0. .0..0..1..1..0..0. .1..1..1..1..0..0. .1..0..0..1..0..0
%e ..1..1..1..0..0..0. .0..1..1..0..0..1. .0..0..0..0..1..1. .0..0..1..1..1..0
%e ..1..0..0..1..1..1. .1..0..0..1..1..0. .1..1..1..0..0..1. .0..0..1..1..0..0
%Y Cf. A302224.
%K nonn
%O 1,1
%A _R. H. Hardin_, Apr 03 2018
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