A265478 Number of nX6 0..n+6-2 arrays with upper left zero and lower right n+6-2 and each element differing from its diagonal and antidiagonal neighbors by one or two.

1296, 55800, 26904969, 3120703104, 3136398496144, 49965944917500, 425344798130083225, 4918894172251971312, 62965804516721136661761, 155351908647389059328938, 9803953386543658217431739044

Offset

1,1

Comments

Column 6 of A265480.

Links

Table of n, a(n) for n=1..11.

Example

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

Crossrefs

Cf. A265480.

Sequence in context: A223437 A183618 A017236 * A017344 A223689 A193153

Adjacent sequences: A265475 A265476 A265477 * A265479 A265480 A265481

Keyword

nonn

Author

R. H. Hardin, Dec 09 2015

Status

approved