A302457 Number of nX5 0..1 arrays with every element equal to 0, 2, 3 or 5 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.

1, 34, 44, 233, 924, 3875, 17189, 72529, 300519, 1300177, 5581703, 23688151, 101506629, 435270091, 1858384797, 7948647917, 34028063891, 145515225121, 622394004405, 2663003579907, 11391444930403, 48727840628009

Offset

1,2

Comments

Column 5 of A302460.

Links

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

Example

Some solutions for n=5
..0..0..0..1..1. .0..0..1..1..1. .0..1..0..1..1. .0..0..1..0..0
..0..0..1..1..1. .0..0..0..1..1. .1..1..1..1..1. .0..0..0..0..0
..0..0..0..1..0. .1..0..1..1..1. .0..0..0..1..0. .1..1..1..0..1
..1..1..1..1..0. .0..0..1..1..1. .0..0..1..1..0. .1..1..0..0..1
..0..1..0..1..1. .1..0..0..1..1. .0..0..0..1..1. .1..1..1..0..0

Crossrefs

Cf. A302460.

Sequence in context: A359331 A248527 A206262 * A063470 A089715 A327132

Adjacent sequences: A302454 A302455 A302456 * A302458 A302459 A302460

Keyword

nonn

Author

R. H. Hardin, Apr 08 2018

Status

approved