A300320 Number of nX7 0..1 arrays with every element equal to 0, 1, 3, 4, 5, 6, 7 or 8 king-move adjacent elements, with upper left element zero.

21, 348, 3875, 203113, 4705725, 178277369, 7221094975, 257924884697, 9967764866344, 389921000823962, 14836114676415671, 573338970258951373, 22198397267009431746, 854454138056008237524, 32994344327963006514743

Offset

1,1

Comments

Column 7 of A300321.

Links

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

Example

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

Crossrefs

Cf. A300321.

Sequence in context: A299051 A299813 A299688 * A271633 A184289 A192093

Adjacent sequences: A300317 A300318 A300319 * A300321 A300322 A300323

Keyword

nonn

Author

R. H. Hardin, Mar 02 2018

Status

approved