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A229670 Number of defective 4-colorings of an n X 6 0..3 array connected horizontally, antidiagonally and vertically with exactly two mistakes, and colors introduced in row-major 0..3 order. 1
50, 33152, 1673561, 50919512, 1289285440, 29775277216, 649844491552, 13636997291008, 277914152727936, 5535687600455328, 108250711858308992, 2084927957331161856, 39646876001815559424, 745764910064051742464 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 6 of A229672.

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..210

R. H. Hardin, Empirical recurrence of order 63

FORMULA

Empirical recurrence of order 63 (see link above).

EXAMPLE

Some solutions for n=3:

  0 0 1 2 1 2    0 0 0 1 2 0    0 1 0 1 1 2    0 0 1 2 0 1

  1 3 0 3 0 1    1 2 3 0 1 3    0 2 3 2 3 0    3 2 3 1 3 0

  2 1 2 1 3 3    0 1 2 3 0 2    1 0 1 0 2 1    0 1 2 0 3 2

CROSSREFS

Sequence in context: A034205 A173170 A146518 * A152514 A015062 A015038

Adjacent sequences:  A229667 A229668 A229669 * A229671 A229672 A229673

KEYWORD

nonn

AUTHOR

R. H. Hardin, Sep 27 2013

STATUS

approved

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Last modified September 24 18:11 EDT 2022. Contains 356949 sequences. (Running on oeis4.)