A299096 Number of nX7 0..1 arrays with every element equal to 0, 1, 2, 4, 5 or 7 king-move adjacent elements, with upper left element zero.

64, 353, 578, 6007, 44936, 255009, 2170819, 16528508, 123272050, 976854712, 7530554085, 58454112878, 457202830027, 3549779070263, 27660647795555, 215783822807485, 1679905974605338, 13091806853510818, 102058138906901208

Offset

1,1

Comments

Column 7 of A299097.

Links

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

Example

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

Crossrefs

Cf. A299097.

Sequence in context: A016779 A298220 A299349 * A299878 A299014 A299805

Adjacent sequences: A299093 A299094 A299095 * A299097 A299098 A299099

Keyword

nonn

Author

R. H. Hardin, Feb 02 2018

Status

approved