%I #4 Jan 01 2018 14:49:57
%S 7,35,181,953,4997,26155,137033,717905,3760657,19700359,103201589,
%T 540625665,2832090849,14836035579,77719229889,407135626281,
%U 2132798039801,11172757117047,58528983567693,306606675825193,1606172667510097
%N Number of nX3 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 0, 1 or 3 neighboring 1s.
%C Column 3 of A297607.
%H R. H. Hardin, <a href="/A297602/b297602.txt">Table of n, a(n) for n = 1..210</a>
%F Empirical: a(n) = 5*a(n-1) -a(n-2) +19*a(n-3) -36*a(n-4) -62*a(n-6) +62*a(n-7) +24*a(n-8) +4*a(n-9) -40*a(n-10) -32*a(n-11)
%e Some solutions for n=7
%e ..0..0..0. .1..0..1. .0..0..0. .1..0..0. .1..0..1. .1..0..1. .0..0..0
%e ..1..0..1. .1..0..0. .1..0..1. .0..0..0. .0..0..0. .0..0..0. .1..0..0
%e ..1..0..1. .1..0..1. .1..0..1. .0..0..1. .0..0..1. .0..0..0. .1..0..1
%e ..0..0..0. .0..1..1. .1..0..0. .0..0..1. .0..1..0. .0..0..0. .0..0..0
%e ..0..1..0. .0..0..0. .1..0..0. .0..0..1. .0..1..0. .0..1..1. .1..0..1
%e ..0..0..1. .1..0..0. .1..1..0. .1..0..0. .0..1..0. .1..0..1. .0..0..1
%e ..0..0..1. .0..0..1. .1..0..0. .1..0..1. .0..1..0. .0..0..0. .1..1..1
%Y Cf. A297607.
%K nonn
%O 1,1
%A _R. H. Hardin_, Jan 01 2018