|
|
A197786
|
|
Number of nXnXn 0..6 triangular arrays with each element x equal to the number its neighbors equal to 6,6,0,0,0,0,1 for x=0,1,2,3,4,5,6
|
|
0
|
|
|
1, 4, 18, 209, 4988, 221443, 19332957, 3266183233, 1068404830615, 677798120112881, 833288676199771911
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
OFFSET
|
1,2
|
|
COMMENTS
|
Every 0 is next to 0 6's, every 1 is next to 1 6's, every 2 is next to 2 0's, every 3 is next to 3 0's, every 4 is next to 4 0's, every 5 is next to 5 0's, every 6 is next to 6 1's
|
|
LINKS
|
|
|
EXAMPLE
|
Some solutions with all values from 0 to 6 for 6X6X6
.......0............0............0............0............2............2
......0.3..........1.1..........1.1..........0.0..........0.0..........0.0
.....0.4.0........1.6.1........1.6.1........0.5.0........0.5.0........0.5.0
....1.1.0.0......0.1.1.0......0.1.1.0......1.1.0.3......0.0.1.1......3.0.1.1
...1.6.1.5.0....0.4.0.5.0....0.4.0.5.0....1.6.1.4.0....3.4.1.6.1....0.4.1.6.1
..0.1.1.0.0.2..2.0.3.0.0.0..2.0.3.0.0.2..0.1.1.0.0.2..0.0.0.1.1.0..0.0.0.1.1.0
|
|
CROSSREFS
|
|
|
KEYWORD
|
nonn
|
|
AUTHOR
|
|
|
STATUS
|
approved
|
|
|
|