|
|
A229503
|
|
Number of defective 3-colorings of an n X n 0..2 array connected diagonally and antidiagonally with exactly one mistake, and colors introduced in row-major 0..2 order.
|
|
0
|
|
|
0, 6, 480, 50112, 9854784, 4032737280, 3594819388032, 7178082866740800, 32598674667546519744, 340101114114677727107520, 8206049057729134245814363392
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
OFFSET
|
1,2
|
|
COMMENTS
|
|
|
LINKS
|
|
|
EXAMPLE
|
Some solutions for n=3:
0 1 2 0 1 2 0 0 0 0 0 1 0 1 2 0 1 2 0 1 0
0 0 0 2 1 1 1 2 2 1 0 2 2 2 2 0 1 2 2 2 2
1 2 1 0 0 2 1 1 1 2 0 2 1 0 0 1 1 0 2 1 1
|
|
CROSSREFS
|
|
|
KEYWORD
|
nonn
|
|
AUTHOR
|
|
|
STATUS
|
approved
|
|
|
|