A275093 Number of 5Xn 0..2 arrays with no element equal to any value at offset (0,-2) (-1,-2) or (-2,-1) and new values introduced in order 0..2.

41, 2916, 5440, 18440, 87924, 510680, 2934756, 16976416, 100163280, 587376672, 3441832776, 20278827840, 119081922956, 699883834544, 4115716304856, 24201876220300, 142224779364880, 836403191956404, 4917486759591212

Offset

1,1

Comments

Row 5 of A275090.

Links

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

Example

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

Crossrefs

Cf. A275090.

Sequence in context: A291860 A193124 A223004 * A275349 A215826 A167246

Adjacent sequences: A275090 A275091 A275092 * A275094 A275095 A275096

Keyword

nonn

Author

R. H. Hardin, Jul 16 2016

Status

approved