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%I #4 Dec 09 2015 10:46:39
%S 29,6221,1630672,593770274,176223025171,49094408347776,
%T 15984824483462062,5061676810415781351,1503116899340714064889,
%U 468413834308033595967513,148642613025573311878074113,45805757997648999357622452961
%N Number of nX6 0..n+6-2 arrays with upper left zero and lower right n+6-2 and each element differing from its horizontal and antidiagonal neighbors by one or two.
%C Column 6 of A265466.
%H R. H. Hardin, <a href="/A265464/b265464.txt">Table of n, a(n) for n = 1..110</a>
%e Some solutions for n=2
%e ..0..1..3..4..2..4....0..2..4..3..4..3....0..2..1..3..1..3....0..2..3..4..2..3
%e ..3..4..3..4..5..6....4..3..2..3..5..6....3..2..4..3..5..6....3..1..2..4..5..6
%Y Cf. A265466.
%K nonn
%O 1,1
%A _R. H. Hardin_, Dec 09 2015
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