A282480 Number of nX7 0..1 arrays with no 1 equal to more than three of its king-move neighbors, with the exception of exactly two elements.

0, 1754, 297210, 27253740, 2496089344, 213243466320, 17282935743792, 1356909122451366, 103825223863665136, 7780334614220689560, 573340067876393968560, 41664780194820618035191, 2992154947506013513266465

Offset

1,2

Comments

Column 7 of A282481.

Links

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

Example

Some solutions for n=2
..1..0..1..1..0..0..0. .0..1..1..0..0..1..1. .0..1..0..1..1..1..0
..0..1..1..1..0..1..0. .0..1..1..1..0..0..0. .1..0..1..0..1..1..0

Crossrefs

Cf. A282481.

Sequence in context: A076809 A272326 A271747 * A043436 A119406 A204280

Adjacent sequences: A282477 A282478 A282479 * A282481 A282482 A282483

Keyword

nonn

Author

R. H. Hardin, Feb 16 2017

Status

approved