A301351 Number of nX5 0..1 arrays with every element equal to 1, 2, 3, 5 or 6 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.

3, 96, 1433, 19561, 264054, 3579171, 48476633, 656551657, 8891966361, 120429031036, 1631040103974, 22090169338503, 299180596463572, 4051984713535809, 54878491967075845, 743252774514565327

Offset

1,1

Comments

Column 5 of A301354.

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

Crossrefs

Cf. A301354.

Sequence in context: A300424 A300686 A300609 * A268012 A268181 A030262

Adjacent sequences: A301348 A301349 A301350 * A301352 A301353 A301354

Keyword

nonn

Author

R. H. Hardin, Mar 19 2018

Status

approved