A282188 Number of nX5 0..2 arrays with no element equal to more than four of its king-move neighbors, with the exception of exactly two elements, and with new values introduced in order 0 sequentially upwards.

0, 104, 122866, 48031921, 15775532484, 4628006363340, 1272857909584052, 335082099331844598, 85470908384591747884, 21285458881802958234214, 5201697654846209474162168, 1251846596363732482342465530

Offset

1,2

Comments

Column 5 of A282189.

Links

R. H. Hardin, Table of n, a(n) for n = 1..16

Example

Some solutions for n=3
..0..0..0..1..2. .0..0..1..1..1. .0..1..0..2..0. .0..1..0..0..2
..2..0..0..2..0. .0..0..1..0..0. .0..0..1..0..0. .0..0..0..0..2
..2..0..0..0..0. .0..0..2..1..1. .2..0..0..1..0. .1..1..0..2..2

Crossrefs

Cf. A282189.

Sequence in context: A048920 A091539 A157874 * A271764 A069172 A231578

Adjacent sequences: A282185 A282186 A282187 * A282189 A282190 A282191

Keyword

nonn

Author

R. H. Hardin, Feb 08 2017

Status

approved