%I #4 Dec 04 2013 06:48:19
%S 2080,176474,42601181,9096692126,2041493495546,456588234876461,
%T 102515478543489824,23024927074137910892,5173825911092637444752,
%U 1162725416647139432330948,261321301913409828133971236
%N Number of 7Xn 0..3 arrays with no element x(i,j) adjacent to value 3-x(i,j) horizontally, diagonally or antidiagonally, top left element zero, and 1 appearing before 2 in row major order
%C Row 7 of A233098
%H R. H. Hardin, <a href="/A233104/b233104.txt">Table of n, a(n) for n = 1..210</a>
%e Some solutions for n=2
%e ..0..0....0..0....0..0....0..1....0..0....0..0....0..1....0..1....0..0....0..1
%e ..0..0....1..0....1..1....0..0....0..1....0..0....0..2....0..2....1..0....0..2
%e ..1..0....1..0....3..1....0..0....3..1....0..1....0..2....3..2....2..0....0..2
%e ..2..3....1..1....3..2....1..1....0..2....0..0....2..2....3..3....2..0....0..0
%e ..1..0....1..1....3..3....0..0....3..1....2..0....2..3....3..2....2..2....2..2
%e ..1..3....3..3....2..3....0..0....3..2....2..3....1..3....0..2....2..0....3..2
%e ..3..1....3..2....2..0....0..0....2..3....1..0....1..0....2..0....2..0....3..3
%K nonn
%O 1,1
%A _R. H. Hardin_, Dec 04 2013