A302886 Number of nX5 0..1 arrays with every element equal to 0, 2, 3, 4 or 5 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.

1, 72, 197, 2278, 20937, 206332, 2059835, 20622709, 206851726, 2074817480, 20813801262, 208805076675, 2094773339318, 21015309692682, 210831414476338, 2115120771478292, 21219498913842320, 212880128570856741

Offset

1,2

Comments

Column 5 of A302889.

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..0..0..1. .0..0..1..1..1. .0..0..0..1..0
..0..0..1..1..0. .1..0..0..0..0. .0..0..1..1..0. .0..0..1..1..1
..0..0..0..1..1. .1..0..0..1..0. .0..1..0..1..0. .1..1..1..0..0
..1..0..0..0..0. .1..0..0..0..0. .0..0..1..1..0. .1..1..1..0..0
..0..0..1..0..0. .0..0..1..0..1. .0..0..1..1..0. .1..1..0..0..1

Crossrefs

Cf. A302889.

Sequence in context: A028977 A033693 A250786 * A235186 A235179 A204492

Adjacent sequences: A302883 A302884 A302885 * A302887 A302888 A302889

Keyword

nonn

Author

R. H. Hardin, Apr 15 2018

Status

approved