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%I #7 Jun 22 2022 01:52:20
%S 1,19,63,139,723,3005,9511,36995,150145,547767,2049243,8099185,
%T 31232375,118794973,475013103,1906016687,7508667425,31409068325,
%U 132833355231,551489805231,2461668875187,11088714849657,48962978982683
%N Number of n X 8 binary arrays with every 1 having exactly three king-move neighbors equal to 1.
%C Column 8 of A183456.
%H R. H. Hardin, <a href="/A183455/b183455.txt">Table of n, a(n) for n = 1..178</a>
%e Some solutions for 5 X 8
%e ..1..1..0..0..0..0..0..0....0..0..0..0..0..0..1..1....0..1..1..0..0..0..1..1
%e ..1..1..0..1..1..0..0..0....0..0..0..0..0..0..1..1....0..1..1..0..0..0..1..1
%e ..0..0..0..1..1..0..0..0....0..1..1..0..0..0..0..0....0..0..0..0..0..0..0..0
%e ..1..1..0..0..0..0..1..1....0..1..1..0..0..1..1..0....0..0..1..1..0..0..1..1
%e ..1..1..0..0..0..0..1..1....0..0..0..0..0..1..1..0....0..0..1..1..0..0..1..1
%Y Cf. A183456.
%K nonn
%O 1,2
%A _R. H. Hardin_, Jan 05 2011
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