A299586 Number of nX6 0..1 arrays with every element equal to 1, 3, 4, 5, 7 or 8 king-move adjacent elements, with upper left element zero.

1, 88, 31, 720, 6418, 38420, 551191, 5070055, 45637326, 531519495, 5528325451, 53327969852, 586780861966, 6187886133637, 62312633146823, 666363662586706, 7024189815234267, 72251132979381165, 762872053136745077

Offset

1,2

Comments

Column 6 of A299588.

Links

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

Example

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

Crossrefs

Cf. A299588.

Sequence in context: A133391 A298832 A298620 * A033408 A298452 A299526

Adjacent sequences: A299583 A299584 A299585 * A299587 A299588 A299589

Keyword

nonn

Author

R. H. Hardin, Feb 13 2018

Status

approved