A316242 Number of n X 6 0..1 arrays with every element unequal to 0, 2, 3, 4, 5 or 8 king-move adjacent elements, with upper left element zero.

1, 272, 2671, 60245, 1402577, 32646098, 772981023, 18258025708, 432527550123, 10245711589033, 242786694121355, 5753567632165443, 136354352863695006, 3231549437724697446, 76586963886026667924, 1815105174070291857982

Offset

1,2

Comments

Column 6 of A316244.

Links

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

Example

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

Crossrefs

Cf. A316244.

Sequence in context: A234884 A158587 A304417 * A230908 A305952 A317213

Adjacent sequences: A316239 A316240 A316241 * A316243 A316244 A316245

Keyword

nonn

Author

R. H. Hardin, Jun 27 2018

Status

approved