A299739 Number of nX7 0..1 arrays with every element equal to 0, 1, 2, 3, 4, 5 or 8 king-move adjacent elements, with upper left element zero.

64, 8192, 582032, 49914496, 4203272237, 356575568843, 30260326859957, 2568233775595684, 217979679558156226, 18501304542474481340, 1570323059564422761030, 133283374981849052162973

Offset

1,1

Comments

Column 7 of A299740.

Links

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

Example

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

Crossrefs

Cf. A299740.

Sequence in context: A320370 A298969 A317564 * A302740 A299660 A300214

Adjacent sequences: A299736 A299737 A299738 * A299740 A299741 A299742

Keyword

nonn

Author

R. H. Hardin, Feb 18 2018

Status

approved