A316806 Number of nX6 0..1 arrays with every element unequal to 0, 1, 2, 3, 4, 5 or 6 king-move adjacent elements, with upper left element zero.

32, 2048, 113606, 6256258, 347046960, 19261290694, 1068884675914, 59316329979368, 3291689981719718, 182668482769226702, 10136973087123095344, 562539425213022979602, 31217465270119239306522, 1732376601913389433146536

Offset

1,1

Comments

Column 6 of A316808.

Links

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

R. H. Hardin, Empirical recurrence of order 59

Formula

Empirical recurrence of order 59 (see link above)

Example

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

Crossrefs

Cf. A316808.

Sequence in context: A302013 A302008 A301782 * A213416 A317523 A299652

Adjacent sequences: A316803 A316804 A316805 * A316807 A316808 A316809

Keyword

nonn

Author

R. H. Hardin, Jul 14 2018

Status

approved