|
| |
|
|
A316684
|
|
Number of nX6 0..1 arrays with every element unequal to 2, 3, 4, 5, 7 or 8 king-move adjacent elements, with upper left element zero.
|
|
1
|
|
|
|
0, 209, 2000, 62314, 1591947, 43037698, 1155724711, 31086640568, 836374058655, 22504657178375, 605524917825416, 16293346116194775, 438413660714386365, 11796679681729376902, 317420954784579390096, 8541051272153616512370
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
|
OFFSET
|
1,2
|
|
|
COMMENTS
|
Column 6 of A316686.
|
|
|
LINKS
|
R. H. Hardin, Table of n, a(n) for n = 1..210
|
|
|
EXAMPLE
|
Some solutions for n=5
..0..1..0..0..1..1. .0..1..0..1..0..1. .0..1..0..0..1..0. .0..1..1..0..0..1
..0..1..1..0..0..0. .0..1..1..1..1..0. .0..1..0..0..1..1. .0..1..0..1..1..0
..0..0..1..1..1..0. .0..1..1..0..0..1. .0..0..0..0..1..0. .0..1..1..1..0..0
..1..0..1..0..1..1. .1..1..1..0..0..0. .1..1..1..0..0..1. .0..0..1..1..0..1
..0..1..1..0..1..0. .0..0..0..1..1..1. .0..1..0..1..0..1. .1..0..1..0..0..1
|
|
|
CROSSREFS
|
Cf. A316686.
Sequence in context: A304063 A305455 A305020 * A235731 A235512 A203040
Adjacent sequences: A316681 A316682 A316683 * A316685 A316686 A316687
|
|
|
KEYWORD
|
nonn
|
|
|
AUTHOR
|
R. H. Hardin, Jul 10 2018
|
|
|
STATUS
|
approved
|
| |
|
|
