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%I #4 Mar 03 2018 08:31:16
%S 5,90,133,325,729,1371,3092,6068,12638,26306,55227,116124,244628,
%T 515923,1089092,2300375,4859824,10269075,21701677,45866023,96942392,
%U 204906286,433123097,915543514,1935335582,4091114685,8648362831,18282350436
%N Number of nX6 0..1 arrays with every element equal to 1 or 2 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.
%C Column 6 of A300350.
%H R. H. Hardin, <a href="/A300348/b300348.txt">Table of n, a(n) for n = 1..210</a>
%F Empirical: a(n) = 5*a(n-1) -8*a(n-2) +4*a(n-3) +a(n-7) -3*a(n-8) +4*a(n-9) -2*a(n-10) +a(n-11) -a(n-12) -a(n-16) +a(n-17) for n>22
%e Some solutions for n=5
%e ..0..0..1..0..0..0. .0..1..0..1..0..1. .0..0..1..0..1..1. .0..0..1..1..0..1
%e ..1..0..1..1..1..0. .0..1..0..1..0..1. .1..0..1..0..0..0. .0..1..0..0..1..0
%e ..1..0..0..0..1..0. .1..0..1..0..1..0. .1..0..1..1..1..0. .1..0..1..1..0..1
%e ..1..1..1..0..1..0. .0..1..0..1..0..1. .1..0..0..0..1..0. .0..1..0..0..1..0
%e ..0..0..1..0..1..1. .0..1..1..0..1..1. .1..1..1..0..1..0. .0..0..1..1..0..0
%Y Cf. A300350.
%K nonn
%O 1,1
%A _R. H. Hardin_, Mar 03 2018
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