A265479 Number of nX7 0..n+7-2 arrays with upper left zero and lower right n+7-2 and each element differing from its diagonal and antidiagonal neighbors by one or two.

16807, 970225, 316565600, 589329511684, 63552226862294, 425344798130083225, 2284546587678218240

Offset

1,1

Comments

Column 7 of A265480.

Links

Table of n, a(n) for n=1..7.

Example

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

Crossrefs

Cf. A265480.

Sequence in context: A265472 A016985 A017153 * A017249 A017357 A017477

Adjacent sequences: A265476 A265477 A265478 * A265480 A265481 A265482

Keyword

nonn

Author

R. H. Hardin, Dec 09 2015

Status

approved