A282527 Number of nX7 0..1 arrays with no 1 equal to more than two of its king-move neighbors.

128, 5004, 153037, 6509805, 243903065, 9355397095, 361721564040, 13881707109180, 534350790960907, 20559180796734866, 790862913526676504, 30428168711860904615, 1170631929502698192489, 45036993783214078491026

Offset

1,1

Comments

Column 7 of A282528.

Links

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

Example

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

Crossrefs

Cf. A282528.

Sequence in context: A239441 A306412 A240931 * A297093 A185488 A283690

Adjacent sequences: A282524 A282525 A282526 * A282528 A282529 A282530

Keyword

nonn

Author

R. H. Hardin, Feb 17 2017

Status

approved