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%I #4 Dec 17 2017 13:15:57
%S 21,286,3581,44783,565149,7121315,89713772,1130293195,14240708558,
%T 179419300176,2260512981540,28480330069267,358825298187419,
%U 4520860415119973,56958579395700728,717624409759413294
%N Number of nX6 0..1 arrays with each 1 horizontally, vertically or antidiagonally adjacent to 0, 2 or 4 neighboring 1s.
%C Column 6 of A296635.
%H R. H. Hardin, <a href="/A296633/b296633.txt">Table of n, a(n) for n = 1..210</a>
%e Some solutions for n=4
%e ..1..1..0..0..0..0. .0..0..0..0..1..0. .0..0..0..1..0..0. .1..0..0..0..0..0
%e ..1..0..1..1..1..0. .0..1..0..0..0..1. .1..1..0..0..0..0. .0..1..1..0..0..0
%e ..0..0..1..1..0..1. .0..0..0..0..1..1. .1..0..0..1..1..0. .0..1..0..0..0..0
%e ..0..0..1..0..1..1. .0..0..0..0..0..0. .0..1..0..1..0..0. .0..0..1..0..0..1
%Y Cf. A296635.
%K nonn
%O 1,1
%A _R. H. Hardin_, Dec 17 2017
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