|
|
A298086
|
|
Number of nX7 0..1 arrays with every element equal to 2, 3, 5 or 6 king-move adjacent elements, with upper left element zero.
|
|
1
|
|
|
0, 34, 18, 213, 1574, 11202, 65218, 479206, 3481050, 24695892, 177272585, 1292781132, 9346339114, 67597407637, 490930663188, 3562917786488, 25842902976432, 187580825378770, 1361838171557890, 9885195460409937
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
OFFSET
|
1,2
|
|
COMMENTS
|
|
|
LINKS
|
|
|
EXAMPLE
|
Some solutions for n=7
..0..0..0..0..0..0..0. .0..0..0..0..0..0..1. .0..0..1..1..0..1..1
..0..1..1..1..1..1..0. .0..1..1..1..0..1..1. .0..1..1..0..0..0..1
..1..0..1..0..0..1..0. .1..0..1..0..0..1..0. .1..1..1..1..1..1..0
..0..1..0..1..0..1..0. .1..0..0..0..0..0..0. .0..0..1..1..0..0..1
..0..0..1..1..0..1..0. .0..1..1..0..0..1..0. .0..0..1..0..1..1..0
..1..0..0..0..1..1..0. .0..0..1..1..0..1..1. .0..0..1..0..0..0..1
..1..1..1..1..1..0..0. .0..1..1..0..0..0..1. .0..0..1..1..1..1..1
|
|
CROSSREFS
|
|
|
KEYWORD
|
nonn
|
|
AUTHOR
|
|
|
STATUS
|
approved
|
|
|
|