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%I #4 Jul 27 2018 22:09:41
%S 2,45,201,1140,6964,39216,225065,1322225,7638732,44316649,257597032,
%T 1494192462,8673209233,50350995888,292232453854,1696280208699,
%U 9846142306726,57150846167639,331731209120051,1925524077048630
%N Number of nX4 0..1 arrays with every element unequal to 1, 2, 3, 5, 6, 7 or 8 king-move adjacent elements, with upper left element zero.
%C Column 4 of A317436.
%H R. H. Hardin, <a href="/A317432/b317432.txt">Table of n, a(n) for n = 1..210</a>
%H R. H. Hardin, <a href="/A317432/a317432.txt">Empirical recurrence of order 68</a>
%F Empirical recurrence of order 68 (see link above)
%e Some solutions for n=5
%e ..0..1..1..0. .0..1..1..1. .0..1..0..1. .0..0..1..1. .0..0..0..1
%e ..1..0..1..0. .1..1..0..0. .0..1..1..1. .1..0..0..1. .1..0..1..0
%e ..1..0..0..0. .1..0..1..0. .0..1..0..0. .1..1..1..1. .0..0..0..0
%e ..1..1..1..0. .1..0..1..1. .1..0..0..1. .1..1..1..1. .0..1..0..1
%e ..0..1..1..0. .1..1..0..0. .1..1..1..1. .0..0..0..0. .1..0..0..0
%Y Cf. A317436.
%K nonn
%O 1,1
%A _R. H. Hardin_, Jul 27 2018
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