A300172 Number of nX5 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, 17, 192, 2620, 50419, 886940, 16262433, 297460457, 5454615441, 100139692226, 1838775832727, 33772164353187, 620318895436140, 11394299377600700, 209299046583691084, 3844588068009489220, 70620996673429500824

Offset

1,2

Comments

Column 5 of A300175.

Links

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

R. H. Hardin, Empirical recurrence of order 66

Formula

Empirical recurrence of order 66 (see link above)

Example

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

Crossrefs

Cf. A300175.

Sequence in context: A322122 A210340 A021494 * A160658 A140537 A359698

Adjacent sequences: A300169 A300170 A300171 * A300173 A300174 A300175

Keyword

nonn

Author

R. H. Hardin, Feb 27 2018

Status

approved