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%I #4 Jan 04 2018 21:57:45
%S 21,865,14462,336653,8103241,183324631,4238895126,98184350818,
%T 2265008802005,52325664406022,1208931244861130,27923747107250179,
%U 645039373054891828,14900511436264593319,344198253865046283579
%N Number of nX6 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 1, 2 or 4 neighboring 1s.
%C Column 6 of A297720.
%H R. H. Hardin, <a href="/A297718/b297718.txt">Table of n, a(n) for n = 1..210</a>
%e Some solutions for n=3
%e ..0..0..0..1..0..0. .1..1..0..0..1..1. .0..0..1..0..1..0. .0..1..0..0..0..1
%e ..1..0..1..0..1..1. .0..0..0..1..0..0. .0..1..1..0..0..1. .1..0..0..1..1..1
%e ..1..1..1..0..0..0. .1..1..0..0..0..0. .1..0..1..0..0..0. .0..0..0..0..0..1
%Y Cf. A297720.
%K nonn
%O 1,1
%A _R. H. Hardin_, Jan 04 2018
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