A300963 Number of nX5 0..1 arrays with every element equal to 0, 2, 3, 4 or 6 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.

1, 40, 159, 1653, 15861, 154497, 1550025, 15500146, 156403068, 1575130287, 15879164337, 160094331582, 1614106468648, 16274791403276, 164095092614649, 1654549200516363, 16682617880390335, 168208868840066182

Offset

1,2

Comments

Column 5 of A300966.

Links

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

Example

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

Crossrefs

Cf. A300966.

Sequence in context: A089548 A282090 A250987 * A146762 A190073 A250592

Adjacent sequences: A300960 A300961 A300962 * A300964 A300965 A300966

Keyword

nonn

Author

R. H. Hardin, Mar 17 2018

Status

approved