|
| |
|
|
A153968
|
|
Number of planar n X n X n binary triangular grids symmetric under 120 degree rotation with no more than 9 ones in any 5 X 5 X 5 subtriangle.
|
|
0
|
|
|
|
1, 2, 2, 4, 15, 26, 94, 703, 2648, 19064, 286301, 1973740, 27808647, 785297090, 10274423975, 271526039324
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
|
OFFSET
|
0,2
|
|
|
LINKS
|
|
|
|
CROSSREFS
|
|
|
|
KEYWORD
|
nonn
|
|
|
AUTHOR
|
|
|
|
STATUS
|
approved
|
| |
|
|
