A275349 Number of nX5 0..2 arrays with no element equal to any value at offset (-2,-1) (-2,1) or (-1,-2) and new values introduced in order 0..2.

41, 2916, 8192, 38256, 266116, 2130176, 17258544, 142784608, 1211010160, 10285035212, 87568199684, 747721216556, 6400345721356, 54771077737784, 468884291240428, 4015074510069276, 34391615022020280, 294557258897550780

Offset

1,1

Comments

Column 5 of A275352.

Links

R. H. Hardin, Table of n, a(n) for n = 1..204

Example

Some solutions for n=4
..0..1..0..2..0. .0..0..0..1..0. .0..1..1..1..2. .0..0..1..2..1
..1..0..1..2..1. .1..2..1..2..2. .2..2..2..0..2. .0..1..2..1..0
..0..1..0..1..0. .1..1..2..1..0. .0..2..0..0..0. .1..2..1..2..1
..2..0..1..2..1. .0..0..0..0..0. .0..0..1..1..1. .2..1..2..1..0

Crossrefs

Cf. A275352.

Sequence in context: A193124 A223004 A275093 * A215826 A167246 A208564

Adjacent sequences: A275346 A275347 A275348 * A275350 A275351 A275352

Keyword

nonn

Author

R. H. Hardin, Jul 24 2016

Status

approved