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%I #6 Mar 09 2023 15:27:17
%S 0,1732,220970,66622532,20816992724,6479894318198,2012129115093308,
%T 626306050264214612,194986475188899358816,60695893045948486447450,
%U 18894590354461901315111820,5881924926873718865927435500
%N Number of n X 5 0..3 arrays x(i,j) with each element horizontally, vertically, diagonally or antidiagonally next to at least one element with value (x(i,j)+1) mod 4 and at least one element with value (x(i,j)-1) mod 4, and upper left element zero.
%C Column 5 of A230968.
%H R. H. Hardin, <a href="/A230967/b230967.txt">Table of n, a(n) for n = 1..38</a>
%e Some solutions for n=3
%e ..0..1..3..3..2....0..1..2..1..0....0..1..0..1..2....0..0..2..0..0
%e ..3..1..2..0..1....2..3..3..3..2....2..3..2..0..3....3..1..0..3..1
%e ..2..0..2..3..0....0..1..2..0..1....0..1..2..1..0....0..2..2..1..2
%Y Cf. A230968.
%K nonn
%O 1,2
%A _R. H. Hardin_, Nov 02 2013
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