A300610 Number of nX6 0..1 arrays with every element equal to 1, 2, 3 or 5 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.

5, 307, 7514, 164619, 3567928, 77669371, 1693172810, 36914891724, 804586936082, 17537173958121, 382249401338563, 8331719492001836, 181602790092449140, 3958314803988352629, 86277618337703468741, 1880554677657702819865

Offset

1,1

Comments

Column 6 of A300612.

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

Crossrefs

Cf. A300612.

Sequence in context: A342210 A300425 A300687 * A301352 A075983 A160071

Adjacent sequences: A300607 A300608 A300609 * A300611 A300612 A300613

Keyword

nonn

Author

R. H. Hardin, Mar 09 2018

Status

approved