A300112 Number of nX5 0..1 arrays with every element equal to 1, 2, 4, 5, 6, 7 or 8 king-move adjacent elements, with upper left element zero.

3, 23, 63, 515, 3776, 28935, 212470, 1560065, 11874071, 89657570, 673151916, 5084857810, 38419116117, 289855498173, 2187847733010, 16520252054586, 124719171802820, 941517564864563, 7108226078494466, 53665231758411540

Offset

1,1

Comments

Column 5 of A300115.

Links

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

Example

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

Crossrefs

Cf. A300115.

Sequence in context: A298393 A299511 A299311 * A183332 A358422 A196325

Adjacent sequences: A300109 A300110 A300111 * A300113 A300114 A300115

Keyword

nonn

Author

R. H. Hardin, Feb 25 2018

Status

approved