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A223509 Petersen graph (3,1) coloring a rectangular array: number of 6Xn 0..5 arrays where 0..5 label nodes of a graph with edges 0,1 0,3 3,5 3,4 1,2 1,4 4,5 2,0 2,5 and every array movement to a horizontal, diagonal or antidiagonal neighbor moves along an edge of this graph, with the array starting at 0 1
7776, 31307, 3528715, 291545903, 27465794119, 2519813048575, 234215122981463, 21722081604000233, 2017473470471496373, 187345647840479535879, 17400111813793245517801, 1616059549379820468437485 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Row 6 of A223504
LINKS
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
..0..2..0....0..1..2....0..2..0....0..1..0....0..1..2....0..1..0....0..1..4
..0..2..0....2..1..2....1..2..1....2..1..0....0..1..4....2..1..2....2..1..2
..5..3..0....4..5..2....1..2..0....4..1..0....4..1..4....2..1..4....4..5..4
..0..2..5....4..5..2....0..2..1....4..3..4....4..1..4....2..1..2....2..1..2
..1..2..0....4..1..4....1..2..1....4..1..4....0..1..4....4..1..0....2..5..4
CROSSREFS
Sequence in context: A123990 A176375 A210116 * A187355 A190465 A064782
KEYWORD
nonn
AUTHOR
R. H. Hardin Mar 21 2013
STATUS
approved

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Last modified May 21 02:29 EDT 2024. Contains 372720 sequences. (Running on oeis4.)