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%I #4 Dec 14 2016 09:29:35
%S 2,46,1168,23610,456846,8451524,152161078,2683339202,46585256882,
%T 798803549422,13560625665130,228309753887084,3817243895220652,
%U 63445894677315538,1049156236360318398,17272132042718733138
%N Number of nX3 0..2 arrays with no element equal to a strict majority of its horizontal and vertical neighbors, with the exception of exactly one element, and with new values introduced in order 0 sequentially upwards.
%C Column 3 of A279527.
%H R. H. Hardin, <a href="/A279524/b279524.txt">Table of n, a(n) for n = 1..210</a>
%F Empirical: a(n) = 28*a(n-1) -140*a(n-2) -950*a(n-3) +1356*a(n-4) +6540*a(n-5) +8107*a(n-6) +1908*a(n-7) -96796*a(n-8) -102684*a(n-9) +32296*a(n-10) +326040*a(n-11) +669460*a(n-12) +82280*a(n-13) -968164*a(n-14) -764544*a(n-15) -369984*a(n-16) -28992*a(n-17) +499456*a(n-18) +281600*a(n-19) -26880*a(n-20) +51200*a(n-21) -102400*a(n-22)
%e Some solutions for n=4
%e ..0..1..1. .0..1..0. .0..0..1. .0..0..0. .0..0..1. .0..1..1. .0..1..0
%e ..1..2..2. .1..1..1. .2..1..2. .1..1..2. .0..1..0. .2..2..2. .2..0..2
%e ..2..1..2. .2..0..0. .0..0..2. .0..1..2. .2..1..0. .0..1..1. .0..0..2
%e ..2..0..0. .0..2..2. .2..0..0. .0..2..0. .2..0..1. .0..2..1. .0..2..1
%Y Cf. A279527.
%K nonn
%O 1,1
%A _R. H. Hardin_, Dec 14 2016