A265444 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 vertical neighbors by one or two.

9, 455, 25069, 744805, 41855199, 4188662714, 268477963202, 11139856018641, 436718915555930, 28503014136448930, 2155806263833599027, 126581200884579064364, 5999724385865167170433, 301744936468780559629407

Offset

1,1

Comments

Column 5 of A265447.

Links

R. H. Hardin, Table of n, a(n) for n = 1..132

Example

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

Crossrefs

Cf. A265447.

Sequence in context: A156086 A160478 A020263 * A372634 A285371 A061175

Adjacent sequences: A265441 A265442 A265443 * A265445 A265446 A265447

Keyword

nonn

Author

R. H. Hardin, Dec 09 2015

Status

approved