A299935 Number of nX6 0..1 arrays with every element equal to 1, 2, 3, 4, 5, 7 or 8 king-move adjacent elements, with upper left element zero.

5, 888, 43375, 1858165, 82403876, 3664429516, 162678451993, 7222553677769, 320673103163046, 14237519973916087, 632129375743496669, 28065811608213509804, 1246089508381182139546, 55324930291331202023204

Offset

1,1

Comments

Column 6 of A299937.

Links

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

Example

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

Crossrefs

Cf. A299937.

Sequence in context: A298278 A299371 A299140 * A299065 A299837 A299726

Adjacent sequences: A299932 A299933 A299934 * A299936 A299937 A299938

Keyword

nonn

Author

R. H. Hardin, Feb 22 2018

Status

approved