|
| |
|
|
A305647
|
|
Number of nX6 0..1 arrays with every element unequal to 0, 1, 3, 4, 5 or 6 king-move adjacent elements, with upper left element zero.
|
|
1
|
|
|
|
13, 125, 168, 2360, 31079, 355620, 7215825, 146459610, 2640107792, 52228665478, 1058638132393, 20748937179490, 411504304333009, 8246953247793834, 164113282013327095, 3266687021935402160, 65220671555010155571
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
|
OFFSET
|
1,1
|
|
|
COMMENTS
|
Column 6 of A305649.
|
|
|
LINKS
|
R. H. Hardin, Table of n, a(n) for n = 1..210
|
|
|
EXAMPLE
|
Some solutions for n=5
..0..0..1..0..1..1. .0..1..1..0..1..1. .0..0..1..0..0..0. .0..1..0..1..0..0
..0..0..0..1..1..1. .0..0..1..0..0..1. .1..0..1..1..0..0. .0..0..0..1..1..0
..0..0..0..1..1..1. .0..0..0..1..0..0. .1..1..1..1..1..0. .1..1..0..1..0..0
..0..0..1..1..0..1. .1..0..1..1..1..1. .1..1..1..1..1..1. .0..1..0..1..0..0
..0..0..0..1..0..0. .0..0..1..0..0..1. .0..1..1..1..1..1. .0..0..0..1..1..0
|
|
|
CROSSREFS
|
Cf. A305649.
Sequence in context: A134550 A316237 A317158 * A316923 A317041 A317695
Adjacent sequences: A305644 A305645 A305646 * A305648 A305649 A305650
|
|
|
KEYWORD
|
nonn
|
|
|
AUTHOR
|
R. H. Hardin, Jun 07 2018
|
|
|
STATUS
|
approved
|
| |
|
|
