A300173 Number of nX6 0..1 arrays with every element equal to 2, 3, 4, 5, 6, 7 or 8 king-move adjacent elements, with upper left element zero.

0, 41, 932, 23522, 886940, 30129628, 1068913988, 37795185266, 1339340557254, 47515355206475, 1685877049306746, 59829998749240513, 2123405993462787013, 75363618898063174610, 2674832296742845190030, 94936648715702653859799

Offset

1,2

Comments

Column 6 of A300175.

Links

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

Example

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

Crossrefs

Cf. A300175.

Sequence in context: A090836 A282928 A114529 * A293619 A177418 A038397

Adjacent sequences: A300170 A300171 A300172 * A300174 A300175 A300176

Keyword

nonn

Author

R. H. Hardin, Feb 27 2018

Status

approved