A300095 Number of nX7 0..1 arrays with every element equal to 0, 2, 3, 5, 6, 7 or 8 king-move adjacent elements, with upper left element zero.

1, 130, 225, 2168, 27614, 310762, 3273425, 36840985, 436133886, 4876931972, 55870453673, 644023571658, 7391826228607, 84911035839783, 976794984477035, 11245249784683512, 129394883818758642, 1489550733030738817

Offset

1,2

Comments

Column 7 of A300096.

Links

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

Example

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

Crossrefs

Cf. A300096.

Sequence in context: A298381 A299248 A299457 * A138482 A138481 A167702

Adjacent sequences: A300092 A300093 A300094 * A300096 A300097 A300098

Keyword

nonn

Author

R. H. Hardin, Feb 24 2018

Status

approved