A296640 Number of nX5 0..1 arrays with each 1 horizontally, vertically or antidiagonally adjacent to 1, 2 or 4 neighboring 1s.

12, 279, 3444, 49872, 742601, 10781621, 157255466, 2296958734, 33523275696, 489291324927, 7141941507836, 104245214093823, 1521582051098930, 22209336054925012, 324172090472099899, 4731682732442250173

Offset

1,1

Comments

Column 5 of A296643.

Links

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

Example

Some solutions for n=4
..0..0..0..1..0. .1..0..1..1..1. .1..0..0..1..0. .0..1..1..1..1
..0..0..1..0..1. .1..0..0..0..1. .1..1..0..1..1. .1..0..0..0..0
..0..1..0..1..0. .1..0..1..0..1. .0..0..1..1..0. .0..0..1..1..0
..0..0..1..0..0. .1..0..1..1..0. .0..0..0..1..0. .0..0..0..0..0

Crossrefs

Cf. A296643.

Sequence in context: A363384 A220383 A296383 * A239780 A351765 A295037

Adjacent sequences: A296637 A296638 A296639 * A296641 A296642 A296643

Keyword

nonn

Author

R. H. Hardin, Dec 17 2017

Status

approved