|
|
A155419
|
|
Number of ways to place zero or more nonadjacent 0,0 1,0 2,1 3,1 4,1 5,1 6,2 7,2 polyhexes in any orientation on a planar nXnXn triangular grid.
|
|
0
|
|
|
1, 7, 19, 52, 207, 826, 3466, 17019, 96663, 608856, 4591353, 39344454
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
OFFSET
|
7,2
|
|
LINKS
|
|
|
EXAMPLE
|
Maximal 11 X 11 X 11 example
.............1
............1.0
...........0.1.0
..........0.1.0.1
.........0.1.0.0.1
........0.1.0.0.1.0
.......0.0.1.0.0.1.0
......0.0.1.0.0.0.1.0
.....0.0.0.0.1.1.0.1.0
....0.1.1.1.1.0.0.1.0.0
...1.1.0.0.0.0.0.0.1.0.0
|
|
CROSSREFS
|
|
|
KEYWORD
|
nonn
|
|
AUTHOR
|
|
|
STATUS
|
approved
|
|
|
|