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%I #4 Mar 11 2013 06:20:49
%S 4,25,314,4572,68385,1037326,15904038,245900395,3827698634,
%T 59908716776,941887270541,14864346253334,235333007557546,
%U 3736059988845399,59453991638435810,948103358514285732,15147172497271220257
%N Number of nX4 0..2 arrays with no more than floor(nX4/2) elements unequal to at least one horizontal or antidiagonal neighbor, with new values introduced in row major 0..2 order
%C Column 4 of A222986
%H R. H. Hardin, <a href="/A222982/b222982.txt">Table of n, a(n) for n = 1..205</a>
%e Some solutions for n=3
%e ..0..0..0..0....0..0..0..1....0..0..1..1....0..1..2..2....0..0..0..0
%e ..0..0..0..1....0..0..0..2....2..2..1..1....0..2..2..2....0..0..0..1
%e ..0..0..0..2....0..0..1..1....1..1..1..1....2..2..2..2....0..1..1..0
%K nonn
%O 1,1
%A _R. H. Hardin_ Mar 11 2013