A317463 - OEIS

A317463

Number of nX6 0..1 arrays with every element unequal to 2, 3, 4, 5, 6, 7 or 8 king-move adjacent elements, with upper left element zero.

0, 209, 3893, 203786, 9178195, 426934467, 19791556259, 919311610591, 42696124087673, 1983188759663264, 92118322785386311, 4278884020768015614, 198753954532465753526, 9232118287708225846932, 428831820704995020736439

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,2

COMMENTS

Column 6 of A317465.

LINKS

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

EXAMPLE

Some solutions for n=5

..0..1..0..0..0..1. .0..1..0..1..0..1. .0..1..1..0..0..1. .0..1..0..0..1..0

..0..1..0..1..1..0. .0..1..0..1..0..1. .0..1..1..0..0..1. .0..1..1..0..1..0

..0..0..1..1..0..1. .0..0..0..1..0..1. .0..0..1..0..0..0. .0..0..1..1..0..1

..0..1..0..0..0..0. .0..1..1..1..1..1. .0..1..1..0..1..1. .0..1..1..0..0..1

..0..1..1..0..1..1. .0..1..0..0..1..0. .0..1..0..1..1..0. .0..1..0..0..1..0

CROSSREFS

Cf. A317465.

Sequence in context: A250951 A304765 A316509 * A029554 A203458 A003779

Adjacent sequences: A317460 A317461 A317462 * A317464 A317465 A317466

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jul 28 2018

STATUS

approved