A265477 Number of nX5 0..n+5-2 arrays with upper left zero and lower right n+5-2 and each element differing from its diagonal and antidiagonal neighbors by one or two.

125, 4900, 498520, 128323584, 4131348480, 3136398496144, 63552226862294, 83329856800206769, 483221758595102972, 2349207562860745230400, 10865276340207974040000, 68734768761934621856452804

Offset

1,1

Comments

Column 5 of A265480.

Links

R. H. Hardin, Table of n, a(n) for n = 1..22

Example

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

Crossrefs

Cf. A265480.

Sequence in context: A017451 A241034 A265931 * A017583 A046232 A102076

Adjacent sequences: A265474 A265475 A265476 * A265478 A265479 A265480

Keyword

nonn

Author

R. H. Hardin, Dec 09 2015

Status

approved