|
|
A298184
|
|
Number of n X n 0..1 arrays with every element equal to 3, 5, 7 or 8 king-move adjacent elements, with upper left element zero.
|
|
0
|
|
|
0, 1, 1, 3, 5, 10, 19, 41, 81, 196, 474, 1315, 3871, 15716, 68291, 339947, 1851904, 11717321, 86766476
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
OFFSET
|
1,4
|
|
COMMENTS
|
|
|
LINKS
|
|
|
EXAMPLE
|
Some solutions for n=7
..0..0..0..1..1..1..1. .0..0..0..0..0..0..0. .0..0..0..1..1..0..0
..0..0..0..1..1..1..1. .0..0..0..0..0..0..0. .0..0..0..1..1..0..0
..0..0..0..1..1..1..1. .0..0..0..0..0..0..0. .0..0..0..1..1..0..0
..0..0..0..1..1..1..1. .0..0..0..0..0..0..0. .0..0..0..1..1..0..0
..0..0..0..1..1..1..1. .0..0..0..0..0..0..0. .0..0..0..1..1..0..0
..0..0..0..1..1..1..1. .1..1..1..1..1..1..1. .0..0..0..1..1..0..0
..0..0..0..1..1..1..1. .1..1..1..1..1..1..1. .0..0..0..1..1..0..0
|
|
CROSSREFS
|
|
|
KEYWORD
|
nonn
|
|
AUTHOR
|
|
|
STATUS
|
approved
|
|
|
|