A299007 Number of nX7 0..1 arrays with every element equal to 0, 1, 2, 3, 5 or 6 king-move adjacent elements, with upper left element zero.

64, 3440, 24546, 350339, 7133441, 103514554, 1591404390, 26808046076, 428444704211, 6854463412599, 111650146941934, 1805590344686823, 29161058990902557, 472506760744960516, 7649634809894141592

Offset

1,1

Comments

Column 7 of A299008.

Links

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

Example

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

Crossrefs

Cf. A299008.

Sequence in context: A299088 A299344 A299851 * A299674 A299752 A300266

Adjacent sequences: A299004 A299005 A299006 * A299008 A299009 A299010

Keyword

nonn

Author

R. H. Hardin, Jan 31 2018

Status

approved