|
|
A229642
|
|
Number of defective 3-colorings of a 6 X n 0..2 array connected horizontally, diagonally and antidiagonally with exactly two mistakes, and colors introduced in row-major 0..2 order.
|
|
1
|
|
|
0, 3924, 50084, 747299, 11485716, 170405645, 2495874984, 35693194243, 503332240292, 6990933433009, 96001895136772, 1304362116389856, 17565879194817688, 234673938451844201, 3113368949256998744
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
OFFSET
|
1,2
|
|
COMMENTS
|
|
|
LINKS
|
|
|
FORMULA
|
Empirical recurrence of order 69 (see link above).
|
|
EXAMPLE
|
Some solutions for n=3:
0 1 0 0 1 0 0 1 0 0 1 0 0 1 0 0 1 0 0 1 0
2 1 2 2 1 2 2 1 0 2 1 2 0 1 0 0 2 1 1 2 1
2 1 0 1 1 0 2 0 1 1 0 1 2 0 2 0 1 0 1 0 1
2 1 0 0 2 0 2 0 1 1 0 1 1 0 2 2 1 0 2 0 2
1 2 0 1 2 0 1 0 1 1 0 2 1 0 1 2 1 0 2 1 2
0 2 1 0 2 1 2 0 1 1 0 2 2 0 1 0 1 0 2 0 2
|
|
CROSSREFS
|
|
|
KEYWORD
|
nonn
|
|
AUTHOR
|
|
|
STATUS
|
approved
|
|
|
|