A299126 Number of nX6 0..1 arrays with every element equal to 0, 1, 3, 4, 5 or 7 king-move adjacent elements, with upper left element zero.

13, 112, 184, 3368, 13809, 198753, 2286535, 21688754, 284403950, 3307001257, 37294174386, 457492833765, 5410790816292, 63288087145558, 760502020473486, 9023717299845918, 106698982952917563, 1272922168774272137

Offset

1,1

Comments

Column 6 of A299128.

Links

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

Example

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

Crossrefs

Cf. A299128.

Sequence in context: A295204 A298228 A298152 * A299884 A299050 A299812

Adjacent sequences: A299123 A299124 A299125 * A299127 A299128 A299129

Keyword

nonn

Author

R. H. Hardin, Feb 03 2018

Status

approved