A265455 - OEIS

%I #4 Dec 09 2015 09:59:58

%S 360,42282,6056182,871209026,122895678174,16879041018070,

%T 2268041942592142,299048113399679982,38840546858752416798,

%U 4980829532639930253638,632088592086702141594594

%N Number of nX5 0..n+5-2 arrays with each element differing from its horizontal and vertical neighbors by one or two.

%C Column 5 of A265458.

%H R. H. Hardin, <a href="/A265455/b265455.txt">Table of n, a(n) for n = 1..127</a>

%e Some solutions for n=2

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

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

%Y Cf. A265458.

%K nonn

%O 1,1

%A _R. H. Hardin_, Dec 09 2015