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%I #4 Apr 08 2018 09:59:29
%S 1,11,18,55,177,474,1397,4135,11882,34847,101857,296482,867237,
%T 2532855,7392050,21600199,63090609,184246522,538224973,1572126423,
%U 4591906058,13413050687,39179099921,114439818402,334276528661,976412435063
%N Number of nX3 0..1 arrays with every element equal to 0, 2, 3 or 5 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.
%C Column 3 of A302460.
%H R. H. Hardin, <a href="/A302455/b302455.txt">Table of n, a(n) for n = 1..210</a>
%F Empirical: a(n) = 3*a(n-1) -2*a(n-2) +13*a(n-3) -23*a(n-4) +12*a(n-5) -42*a(n-6) +32*a(n-7) -24*a(n-8) -18*a(n-9) +24*a(n-10) +40*a(n-11) +32*a(n-12)
%e Some solutions for n=5
%e ..0..0..1. .0..0..0. .0..0..0. .0..1..0. .0..0..0. .0..0..1. .0..1..1
%e ..1..0..0. .1..0..1. .1..0..1. .1..1..1. .0..0..1. .0..0..0. .0..1..1
%e ..1..0..1. .1..0..0. .1..0..1. .0..1..1. .1..0..1. .1..0..1. .0..1..1
%e ..0..0..1. .0..0..0. .0..0..0. .1..1..1. .0..0..0. .1..0..1. .1..1..0
%e ..0..0..1. .1..0..1. .0..0..1. .0..1..0. .1..0..0. .0..0..0. .1..1..0
%Y Cf. A302460.
%K nonn
%O 1,2
%A _R. H. Hardin_, Apr 08 2018
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