A265463 Number of nX5 0..n+5-2 arrays with upper left zero and lower right n+5-2 and each element differing from its horizontal and antidiagonal neighbors by one or two.

9, 765, 121819, 17481072, 2002867877, 274085245804, 40379152013237, 5373739385807564, 728581796514794423, 103981658100672275539, 14513136199063765521559, 2010492476119616897431520

Offset

1,1

Comments

Column 5 of A265466.

Links

R. H. Hardin, Table of n, a(n) for n = 1..204

Example

Some solutions for n=3
..0..2..3..5..4....0..2..3..4..3....0..2..4..2..4....0..2..0..1..3
..3..5..4..5..6....4..5..3..4..3....3..2..3..5..3....0..1..2..4..5
..4..5..4..5..6....6..4..3..5..6....4..2..3..5..6....2..4..3..4..6

Crossrefs

Cf. A265466.

Sequence in context: A246122 A145183 A124417 * A159356 A246123 A246124

Adjacent sequences: A265460 A265461 A265462 * A265464 A265465 A265466

Keyword

nonn

Author

R. H. Hardin, Dec 09 2015

Status

approved