A298238 Number of nX6 0..1 arrays with every element equal to 0, 2, 3, 4 or 5 king-move adjacent elements, with upper left element zero.

1, 389, 1921, 66626, 1636306, 45356726, 1300110664, 36992129471, 1065292018400, 30627577564063, 882124653513981, 25409197338744491, 732011249229374754, 21090483277098011616, 607658503442176711226, 17508231750181148135826

Offset

1,2

Comments

Column 6 of A298240.

Links

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

Example

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

Crossrefs

Cf. A298240.

Sequence in context: A052353 A355651 A257119 * A299364 A299133 A205920

Adjacent sequences: A298235 A298236 A298237 * A298239 A298240 A298241

Keyword

nonn

Author

R. H. Hardin, Jan 15 2018

Status

approved