A299805 Number of nX7 0..1 arrays with every element equal to 0, 1, 2, 4, 5, 6 or 8 king-move adjacent elements, with upper left element zero.

64, 353, 973, 19006, 265422, 3956148, 61726046, 969500658, 15429018063, 239641131942, 3771112393403, 59744732324155, 936716049747989, 14732735528223605, 232406573700251212, 3655998903754396361

Offset

1,1

Comments

Column 7 of A299806.

Links

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

Example

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

Crossrefs

Cf. A299806.

Sequence in context: A299096 A299878 A299014 * A299681 A300313 A137739

Adjacent sequences: A299802 A299803 A299804 * A299806 A299807 A299808

Keyword

nonn

Author

R. H. Hardin, Feb 19 2018

Status

approved