A300536 Number of nX5 0..1 arrays with every element equal to 0, 2, 3 or 4 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.

1, 40, 122, 1436, 12951, 124543, 1220365, 11917710, 117661891, 1157805789, 11407820948, 112395265481, 1107421260675, 10911738086085, 107515951477034, 1059389206361283, 10438494390939726, 102853864683542472

Offset

1,2

Comments

Column 5 of A300539.

Links

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

Example

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

Crossrefs

Cf. A300539.

Sequence in context: A044291 A044672 A044969 * A260536 A251137 A251130

Adjacent sequences: A300533 A300534 A300535 * A300537 A300538 A300539

Keyword

nonn

Author

R. H. Hardin, Mar 08 2018

Status

approved