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A216759
Number of horizontal, vertical, diagonal, antidiagonal or knight-move neighbor colorings of an nX4 array with new integer colors introduced in row major order
0
5, 34, 2957, 1340534, 1842474893
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OFFSET
1,1
COMMENTS
Column 4 of
A216760
LINKS
Table of n, a(n) for n=1..5.
EXAMPLE
Some solutions for n=3
..0..3..2..0....0..3..2..5....0..3..6..5....0..2..0..2....0..3..5..1
..1..4..1..6....1..4..1..6....1..4..7..4....1..3..1..3....1..4..6..2
..2..3..5..7....2..3..0..7....2..5..0..3....0..4..0..2....2..3..7..8
CROSSREFS
Sequence in context:
A348375
A194687
A208098
*
A144995
A173865
A285019
Adjacent sequences:
A216756
A216757
A216758
*
A216760
A216761
A216762
KEYWORD
nonn
AUTHOR
R. H. Hardin
Sep 15 2012
STATUS
approved
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Last modified August 13 19:11 EDT 2024. Contains 375144 sequences. (Running on oeis4.)