A282439 Number of nX6 0..1 arrays with no 1 equal to more than three of its king-move neighbors, with the exception of exactly one element.

0, 280, 50962, 2129756, 98841792, 4309285780, 177265299282, 7188315304848, 285685036982550, 11185860279693232, 433247722292141736, 16623020006704694792, 632889808390369905646, 23940012420901856832580

Offset

1,2

Comments

Column 6 of A282441.

Links

R. H. Hardin, Table of n, a(n) for n = 1..210

Example

Some solutions for n=3
..0..0..0..1..1..1. .0..0..1..0..1..1. .0..1..0..0..0..0. .0..0..0..1..0..1
..1..0..1..0..1..0. .0..1..1..1..0..0. .0..1..1..1..0..1. .0..1..1..0..1..1
..1..1..0..0..1..0. .0..1..0..0..0..1. .0..0..1..0..1..0. .0..1..1..0..0..0

Crossrefs

Cf. A282441.

Sequence in context: A223107 A218411 A272715 * A255498 A091034 A294165

Adjacent sequences: A282436 A282437 A282438 * A282440 A282441 A282442

Keyword

nonn

Author

R. H. Hardin, Feb 15 2017

Status

approved