A304353 Number of nX6 0..1 arrays with every element unequal to 0, 1, 3, 4 or 5 king-move adjacent elements, with upper left element zero.

13, 125, 123, 1023, 5153, 36201, 445745, 4761156, 49676930, 600072952, 7013206946, 79516574946, 933563729549, 10924248106329, 126579931772305, 1476185040736633, 17231381126974399, 200618232044801405

Offset

1,1

Comments

Column 6 of A304355.

Links

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

Example

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

Crossrefs

Cf. A304355.

Sequence in context: A016277 A202131 A152583 * A305916 A134550 A316237

Adjacent sequences: A304350 A304351 A304352 * A304354 A304355 A304356

Keyword

nonn

Author

R. H. Hardin, May 11 2018

Status

approved