A265456 Number of nX6 0..n+6-2 arrays with each element differing from its horizontal and vertical neighbors by one or two.

1864, 502154, 161435322, 52509347006, 16879041018070, 5327856426356284, 1653688201339124766, 505814947757578021828, 152811753980421954365094, 45684812294133949143632978, 13536944058009909827807440148

Offset: 1

Author

R. H. Hardin, Dec 09 2015

Keywords

• nonn

Comments

Column 6 of A265458.

Examples

			Some solutions for n=1
..2..3..2..1..3..5....4..2..3..2..1..3....1..2..0..1..3..1....4..3..4..2..4..2
		

Links

• R. H. Hardin, Table of n, a(n) for n = 1..65

Crossrefs

Cf. A265458.