A300802 Number of nX6 0..1 arrays with every element equal to 0, 1, 2, 3 or 4 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.

32, 2048, 89472, 4369224, 210678360, 10189867088, 492720806016, 23826737802264, 1152195114983576, 55717051451646784, 2694326325041302348, 130290356568278014868, 6300490353201433009024, 304674726080105302263808

Offset

1,1

Comments

Column 6 of A300804.

Links

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

R. H. Hardin, Empirical recurrence of order 85

Formula

Empirical recurrence of order 85 (see link above)

Example

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

Crossrefs

Cf. A300804.

Sequence in context: A299659 A300213 A302745 * A303454 A303460 A301441

Adjacent sequences: A300799 A300800 A300801 * A300803 A300804 A300805

Keyword

nonn

Author

R. H. Hardin, Mar 13 2018

Status

approved