A301397 Number of nX5 0..1 arrays with every element equal to 2, 3, 4, 5 or 6 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.

0, 9, 44, 446, 4857, 49325, 521514, 5457161, 57311190, 601654211, 6316448607, 66317193844, 696258824443, 7310037380326, 76748138985060, 805779765484701, 8459893652740792, 88820547809627099, 932528264893178568

Offset

1,2

Comments

Column 5 of A301400.

Links

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

Example

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

Crossrefs

Cf. A301400.

Sequence in context: A084023 A084016 A221508 * A125679 A037207 A225488

Adjacent sequences: A301394 A301395 A301396 * A301398 A301399 A301400

Keyword

nonn

Author

R. H. Hardin, Mar 20 2018

Status

approved