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A233152 Number of n X 5 0..2 arrays with no element x(i,j) adjacent to value 2-x(i,j) horizontally or antidiagonally.

%I A233152 #8 Oct 08 2018 10:20:16
%S A233152 48,648,8856,121176,1658232,22692312,310536504,4249585944,58154132088,
%T A233152 795819434328,10890517137336,149033007242136,2039465800159992,
%U A233152 27909392872041432,381930508677741624,5226588558469378584
%N A233152 Number of n X 5 0..2 arrays with no element x(i,j) adjacent to value 2-x(i,j) horizontally or antidiagonally.
%H A233152 R. H. Hardin, <a href="/A233152/b233152.txt">Table of n, a(n) for n = 1..210</a>
%F A233152 Empirical: a(n) = 15*a(n-1) - 18*a(n-2).
%F A233152 Empirical g.f.: 24*x*(2 - 3*x) / (1 - 15*x + 18*x^2). - _Colin Barker_, Oct 08 2018
%e A233152 Some solutions for n=4:
%e A233152 ..1..2..1..2..2....0..1..2..1..0....2..1..0..0..0....1..2..1..2..2
%e A233152 ..2..2..1..2..2....0..1..0..1..2....2..1..0..1..2....2..2..2..2..2
%e A233152 ..2..2..1..2..1....0..1..2..1..0....2..1..0..1..2....2..1..2..1..2
%e A233152 ..1..2..1..2..2....2..1..0..1..2....0..0..0..1..2....0..1..0..1..2
%Y A233152 Column 5 of A233155.
%K A233152 nonn
%O A233152 1,1
%A A233152 _R. H. Hardin_, Dec 05 2013