A299820 Number of n X 7 0..1 arrays with every element equal to 0, 2, 3, 4, 5, 6 or 8 king-move adjacent elements, with upper left element zero.

1, 1192, 22684, 1735393, 107544794, 7338573888, 506116118801, 35028322225854, 2438361076801151, 169803534138404330, 11836931893591170477, 825334052601094460531, 57555264415170381705020, 4013931105062411924937877

Offset

1,2

Comments

Column 7 of A299821.

Links

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

Example

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

Crossrefs

Cf. A299821.

Sequence in context: A299134 A299892 A299059 * A251169 A299720 A300341

Adjacent sequences: A299817 A299818 A299819 * A299821 A299822 A299823

Keyword

nonn

Author

R. H. Hardin, Feb 19 2018

Status

approved