A265456 - OEIS

%I #4 Dec 09 2015 10:00:44

%S 1864,502154,161435322,52509347006,16879041018070,5327856426356284,

%T 1653688201339124766,505814947757578021828,152811753980421954365094,

%U 45684812294133949143632978,13536944058009909827807440148

%N Number of nX6 0..n+6-2 arrays with each element differing from its horizontal and vertical neighbors by one or two.

%C Column 6 of A265458.

%H R. H. Hardin, <a href="/A265456/b265456.txt">Table of n, a(n) for n = 1..65</a>

%e Some solutions for n=1

%e ..2..3..2..1..3..5....4..2..3..2..1..3....1..2..0..1..3..1....4..3..4..2..4..2

%Y Cf. A265458.

%K nonn

%O 1,1

%A _R. H. Hardin_, Dec 09 2015