A299066 Number of nX7 0..1 arrays with every element equal to 1, 2, 3, 4, 5 or 6 king-move adjacent elements, with upper left element zero.

8, 3336, 398654, 40585250, 4331069485, 465531179253, 49918355153525, 5351692051251075, 573807870327017333, 61523882019695232763, 6596584710253032969612, 707285152573467933076880

Offset

1,1

Comments

Column 7 of A299067.

Links

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

Example

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

Crossrefs

Cf. A299067.

Sequence in context: A299372 A299141 A299936 * A299838 A299727 A046250

Adjacent sequences: A299063 A299064 A299065 * A299067 A299068 A299069

Keyword

nonn

Author

R. H. Hardin, Feb 01 2018

Status

approved