%I #5 Aug 11 2014 22:45:55
%S 0,68,3820,76136,1872136,52280836,1450042214,39779238784,
%T 1090961713992,29949193448596,822275707521646,22574599504220086,
%U 619748674764223478,17014270643121556044,467102227146870996978,12823614103796550945194
%N Number of 5Xn 0..3 arrays x(i,j) with each element horizontally, diagonally or antidiagonally next to at least one element with value (x(i,j)+1) mod 4, no adjacent elements equal, and upper left element zero
%C Row 5 of A231246
%H R. H. Hardin, <a href="/A231250/b231250.txt">Table of n, a(n) for n = 1..210</a>
%H R. H. Hardin, <a href="/A231250/a231250.txt">Empirical recurrence of order 62</a>
%F Empirical recurrence of order 62 (see link above)
%e Some solutions for n=2
%e ..0..3....0..1....0..3....0..1....0..3....0..1....0..1....0..3....0..3....0..3
%e ..2..1....2..3....2..1....2..3....2..1....2..3....2..3....0..1....0..1....0..1
%e ..0..3....1..0....3..0....2..0....0..3....2..3....0..3....2..1....2..3....2..3
%e ..2..1....3..2....1..0....1..0....2..3....0..1....0..1....2..3....2..3....2..1
%e ..0..1....1..2....3..2....3..2....2..1....2..3....2..3....0..1....0..1....0..3
%K nonn
%O 1,2
%A _R. H. Hardin_, Nov 06 2013