|
|
A221198
|
|
Number of n X 5 arrays of occupancy after each element moves to some horizontal, diagonal or antidiagonal neighbor, with no occupancy greater than 2.
|
|
1
|
|
|
8, 720, 58700, 4984812, 433687328, 38397901048, 3437301520640, 309729304158392, 28014137861507600, 2539060159927062472, 230384024072002424484, 20916257751298954797560, 1899514293467279631162576
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
OFFSET
|
1,1
|
|
COMMENTS
|
|
|
LINKS
|
|
|
EXAMPLE
|
Some solutions for n=3
..1..1..0..1..0....0..0..0..2..1....0..2..2..1..1....1..1..1..2..1
..0..2..2..2..0....0..2..2..2..1....1..2..1..1..0....0..2..1..0..0
..1..1..1..2..1....0..1..2..2..0....0..2..0..1..1....1..2..0..2..1
|
|
CROSSREFS
|
|
|
KEYWORD
|
nonn
|
|
AUTHOR
|
|
|
STATUS
|
approved
|
|
|
|