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%I #4 Nov 09 2013 13:36:37
%S 4,14,78,343,1537,7505,35872,168887,800573,3806573,18062200,85666516,
%T 406536978,1929318800,9154739800,43440293805,206136096165,
%U 978165298049,4641595993944,22025389470655,104515441789989,495948930283147
%N Number of nX3 0..1 arrays with no element less than a strict majority of its horizontal, vertical, diagonal and antidiagonal neighbors
%C Column 3 of A231515
%H R. H. Hardin, <a href="/A231510/b231510.txt">Table of n, a(n) for n = 1..210</a>
%F Empirical: a(n) = 4*a(n-1) +19*a(n-3) +4*a(n-4) -56*a(n-5) -49*a(n-6) -44*a(n-7) -93*a(n-8) +91*a(n-9) -11*a(n-10) +105*a(n-11) +153*a(n-12) +75*a(n-13) +98*a(n-14) +21*a(n-15) +28*a(n-16) for n>17
%e Some solutions for n=7
%e ..1..0..0....1..0..1....0..0..1....1..1..0....1..1..0....1..0..0....1..1..1
%e ..0..0..1....0..0..0....0..0..1....1..0..0....0..0..0....0..0..1....0..0..1
%e ..0..0..1....1..0..0....1..0..0....0..1..0....0..0..0....1..0..1....0..0..0
%e ..0..0..1....1..0..0....1..1..0....0..0..1....0..0..1....0..0..0....0..1..0
%e ..1..0..0....1..0..0....0..0..0....0..1..0....0..1..0....0..0..0....0..1..0
%e ..0..0..0....0..0..0....0..0..0....1..0..0....0..0..0....0..0..1....0..0..0
%e ..1..0..0....0..1..0....0..1..0....0..0..0....1..0..0....0..0..0....1..0..1
%K nonn
%O 1,1
%A _R. H. Hardin_, Nov 09 2013
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