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A229592 Number of defective 3-colorings of a 7 X n 0..2 array connected horizontally and antidiagonally with exactly one mistake, and colors introduced in row-major 0..2 order. 1
0, 26624, 839808, 25745364, 752194836, 21639043284, 613195191972, 17182547751528, 476829713920572, 13124502841956912, 358700511256861500, 9743787862523085312, 263278493550185520600, 7080841230759146337948 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
COMMENTS
Row 7 of A229586.
LINKS
FORMULA
Empirical recurrence of order 54 (see link above).
EXAMPLE
Some solutions for n=3:
0 1 0 0 1 0 0 1 0 0 0 1 0 0 1 0 1 0 0 1 0
0 1 0 0 1 0 0 1 0 1 2 1 2 0 1 0 1 0 0 1 0
0 2 1 0 2 0 0 1 2 1 0 2 2 0 1 0 1 2 2 2 0
1 2 0 1 2 0 0 1 0 1 0 2 2 0 2 1 0 2 0 2 1
1 2 0 1 0 2 2 1 0 2 1 2 2 1 2 1 0 2 1 2 0
0 1 2 2 0 1 0 1 2 0 1 2 0 1 0 1 0 2 0 1 2
0 1 1 2 0 2 1 0 2 2 1 2 0 2 1 1 0 2 2 0 1
CROSSREFS
Cf. A229586.
Sequence in context: A015303 A236622 A329785 * A046710 A251303 A196937
KEYWORD
nonn
AUTHOR
R. H. Hardin, Sep 26 2013
STATUS
approved

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Last modified March 29 03:51 EDT 2024. Contains 371264 sequences. (Running on oeis4.)