A299000 Number of nX7 0..1 arrays with every element equal to 0, 1, 2, 3, 4 or 6 king-move adjacent elements, with upper left element zero.

64, 7181, 235033, 8918662, 353088569, 13849577141, 543022804167, 21348528789475, 839394891016021, 33001543646989205, 1297641776166140920, 51026070057748163184, 2006456445550940745017, 78898675195870846488059

Offset

1,1

Comments

Column 7 of A299001.

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..1..0..0..0..1. .0..0..1..1..0..1..0
..0..1..1..0..1..1..0. .0..1..1..0..1..1..0. .0..1..1..0..1..0..0
..0..0..0..1..0..0..1. .0..0..0..1..0..0..0. .0..0..0..1..0..1..1
..0..0..0..1..0..1..0. .0..0..0..1..0..0..0. .0..0..0..1..0..1..1
..0..1..1..1..1..0..0. .0..1..1..1..0..1..1. .0..1..1..1..0..0..0

Crossrefs

Cf. A299001.

Sequence in context: A281836 A299080 A299843 * A299745 A299667 A300258

Adjacent sequences: A298997 A298998 A298999 * A299001 A299002 A299003

Keyword

nonn

Author

R. H. Hardin, Jan 31 2018

Status

approved