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%I #4 Apr 23 2018 10:52:04
%S 8,128,1985,30897,480960,7486369,116529645,1813851698,28233652317,
%T 439473157219,6840654335738,106478748377005,1657403414891639,
%U 25798444493138200,401567736789419233,6250634501358061189
%N Number of nX4 0..1 arrays with every element equal to 0, 1, 2, 3, 4 or 5 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.
%C Column 4 of A303421.
%H R. H. Hardin, <a href="/A303417/b303417.txt">Table of n, a(n) for n = 1..210</a>
%F Empirical: a(n) = 14*a(n-1) +21*a(n-2) +54*a(n-3) -23*a(n-4) -18*a(n-5) -20*a(n-6)
%e Some solutions for n=5
%e ..0..0..0..0. .0..0..0..0. .0..0..0..0. .0..0..0..1. .0..0..0..0
%e ..1..0..1..1. .0..0..0..0. .0..1..1..0. .1..0..1..0. .1..1..1..0
%e ..0..0..0..1. .1..1..1..1. .1..1..1..1. .0..1..1..1. .0..1..0..1
%e ..0..1..1..1. .0..0..0..0. .0..0..1..0. .0..0..1..1. .1..0..0..0
%e ..1..1..1..0. .0..0..0..1. .0..1..0..1. .1..1..0..1. .0..0..0..1
%Y Cf. A303421.
%K nonn
%O 1,1
%A _R. H. Hardin_, Apr 23 2018
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