%I #7 Jan 01 2024 10:16:27
%S 4320,99380,2118568,48384788,1060656512,24003655980,531400908604,
%T 11957878063196,265950544067684,5965795563741028,132995605031840160,
%U 2978341581135279648,66478181781268446932,1487401749339915136108
%N Number of (n+1) X (5+1) 0..2 arrays with every 2 X 2 subblock having the sum of the squares of the edge differences equal to 2.
%C Column 5 of A233644.
%H R. H. Hardin, <a href="/A233641/b233641.txt">Table of n, a(n) for n = 1..210</a>
%H R. H. Hardin, <a href="/A233641/a233641.txt">Empirical recurrence of order 66</a>
%F Empirical recurrence of order 66 (see link above).
%e Some solutions for n=2
%e ..1..0..0..0..1..2....2..1..2..2..2..1....2..1..0..0..1..2....1..1..0..1..1..1
%e ..1..1..1..1..1..1....1..1..1..2..1..1....1..1..1..1..1..1....1..0..0..0..0..0
%e ..2..1..2..1..0..0....2..2..2..2..2..1....1..2..1..2..1..0....1..1..1..1..1..0
%Y Cf. A233644.
%K nonn
%O 1,1
%A _R. H. Hardin_, Dec 14 2013