A281953 Number of nX6 0..1 arrays with no element unequal to more than four of its king-move neighbors and with new values introduced in order 0 sequentially upwards.

32, 1576, 11251, 111354, 944967, 8606584, 77540974, 705601833, 6439770627, 58888042279, 540008044733, 4955653495396, 45531822752924, 418611273902466, 3850316671737858, 35428085116594360, 326056489719909590

Offset

1,1

Comments

Column 6 of A281955.

Links

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

Example

Some solutions for n=4
..0..0..0..1..1..1. .0..1..0..1..1..0. .0..1..1..1..0..1. .0..0..0..0..0..0
..0..1..1..1..1..1. .1..0..0..1..1..1. .0..0..1..1..1..0. .0..1..1..1..1..0
..1..1..1..1..1..1. .1..0..0..0..1..0. .0..0..1..1..0..0. .1..1..1..1..1..1
..0..1..1..1..0..0. .0..0..0..1..0..1. .1..1..0..0..0..1. .1..1..1..1..0..0

Crossrefs

Cf. A281955.

Sequence in context: A122123 A357571 A013994 * A316181 A305767 A317116

Adjacent sequences: A281950 A281951 A281952 * A281954 A281955 A281956

Keyword

nonn

Author

R. H. Hardin, Feb 03 2017

Status

approved