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A229459 Number of defective 3-colorings of an n X 8 0..2 array connected horizontally and vertically with exactly one mistake and colors introduced in row-major 0..2 order. 1
224, 14580, 763031, 36985536, 1718447506, 77626332302, 3435347473308, 149656305350148, 6438654748003193, 274212704255144208, 11580589287566252205, 485629666389979680308, 20242557309273462409473 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 8 of A229460.

LINKS

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

R. H. Hardin, Empirical recurrence of order 38

FORMULA

Empirical recurrence of order 38 (see link above).

EXAMPLE

Some solutions for n=3:

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

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

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

CROSSREFS

Cf. A229460.

Sequence in context: A280858 A281604 A007771 * A051367 A280960 A076007

Adjacent sequences:  A229456 A229457 A229458 * A229460 A229461 A229462

KEYWORD

nonn

AUTHOR

R. H. Hardin, Sep 24 2013

STATUS

approved

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Last modified May 18 03:01 EDT 2022. Contains 353779 sequences. (Running on oeis4.)