A301352 Number of nX6 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.

5, 307, 7522, 165010, 3579171, 78012336, 1702789144, 37169645074, 811102103620, 17700435276365, 386271047442207, 8429491309514168, 183954560628734638, 4014391238836566599, 87604988009340421936, 1911780262833912138259

Offset

1,1

Comments

Column 6 of A301354.

Links

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

Example

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

Crossrefs

Cf. A301354.

Sequence in context: A300425 A300687 A300610 * A075983 A160071 A094161

Adjacent sequences: A301349 A301350 A301351 * A301353 A301354 A301355

Keyword

nonn

Author

R. H. Hardin, Mar 19 2018

Status

approved