A299311 Number of nX5 0..1 arrays with every element equal to 1, 2, 4, 5, 6 or 7 king-move adjacent elements, with upper left element zero.

3, 23, 63, 504, 3463, 24519, 167810, 1165033, 8305148, 58382562, 409804187, 2900191611, 20484580351, 144448486221, 1020055338337, 7204564257340, 50860269292839, 359093840742852, 2535713227786876, 17904201238729402

Offset

1,1

Comments

Column 5 of A299314.

Links

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

Example

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

Crossrefs

Cf. A299314.

Sequence in context: A262769 A298393 A299511 * A300112 A183332 A358422

Adjacent sequences: A299308 A299309 A299310 * A299312 A299313 A299314

Keyword

nonn

Author

R. H. Hardin, Feb 06 2018

Status

approved