A299357 Number of nX6 0..1 arrays with every element equal to 0, 1, 2, 3, 6 or 8 king-move adjacent elements, with upper left element zero.

32, 969, 1860, 7006, 29682, 121386, 484468, 1948622, 7873597, 31643397, 127181529, 512381941, 2063085499, 8303212413, 33429599133, 134599314551, 541903453617, 2181827103329, 8784902631298, 35371853075893, 142424891247763

Offset

1,1

Comments

Column 6 of A299359.

Links

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

Example

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

Crossrefs

Cf. A299359.

Sequence in context: A115612 A281342 A298285 * A299178 A299940 A274894

Adjacent sequences: A299354 A299355 A299356 * A299358 A299359 A299360

Keyword

nonn

Author

R. H. Hardin, Feb 08 2018

Status

approved