%I #4 May 09 2018 10:13:32
%S 13,13,37,116,404,1246,3788,12342,39252,122156,388150,1234248,3885916,
%T 12284744,38942904,123064868,388956186,1231020108,3893434762,
%U 12310010474,38938978286,123164661778,389498928546,1231896735244,3896353516054
%N Number of nX6 0..1 arrays with every element unequal to 0, 1, 5 or 8 king-move adjacent elements, with upper left element zero.
%C Column 6 of A304270.
%H R. H. Hardin, <a href="/A304268/b304268.txt">Table of n, a(n) for n = 1..210</a>
%F Empirical: a(n) = a(n-1) +2*a(n-2) +16*a(n-3) +7*a(n-4) -14*a(n-5) -45*a(n-6) -14*a(n-7) +5*a(n-8) +38*a(n-9) +13*a(n-10) -6*a(n-11) -6*a(n-12) for n>13
%e Some solutions for n=5
%e ..0..0..0..0..0..0. .0..0..0..1..0..0. .0..0..0..0..0..0. .0..0..1..0..0..0
%e ..0..1..0..0..0..0. .0..0..0..0..0..0. .0..0..0..0..0..0. .0..0..0..0..0..1
%e ..0..0..0..0..0..1. .0..0..0..0..0..0. .0..0..0..0..0..0. .0..0..0..0..0..0
%e ..0..0..0..0..0..0. .0..0..0..0..0..0. .0..1..0..0..1..0. .0..0..0..0..0..0
%e ..0..1..0..0..0..0. .0..1..0..0..1..0. .0..0..0..0..0..0. .0..0..0..0..1..0
%Y Cf. A304270.
%K nonn
%O 1,1
%A _R. H. Hardin_, May 09 2018