A300114 Number of nX7 0..1 arrays with every element equal to 1, 2, 4, 5, 6, 7 or 8 king-move adjacent elements, with upper left element zero.

8, 99, 629, 12669, 212470, 4293657, 87633085, 1730369641, 35186245661, 713786361249, 14393607529808, 291188464459322, 5893955544655595, 119194619149427574, 2410737833832521715, 48767679910947958121

Offset

1,1

Comments

Column 7 of A300115.

Links

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

Example

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

Crossrefs

Cf. A300115.

Sequence in context: A298395 A299513 A299313 * A180927 A091801 A050919

Adjacent sequences: A300111 A300112 A300113 * A300115 A300116 A300117

Keyword

nonn

Author

R. H. Hardin, Feb 25 2018

Status

approved