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A223503 Petersen graph (3,1) coloring a rectangular array: number of nX7 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
729, 110427, 22598167, 4867038759, 1065016901935, 234215122981463, 51596648899152901, 11373354088592222347, 2507537188605388269479, 552889843504513864372699, 121910555703890549598868125 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 7 of A223504
LINKS
EXAMPLE
Some solutions for n=3
..0..1..0..1..2..5..4....0..1..0..1..0..3..5....0..1..0..1..0..3..4
..0..1..4..1..4..5..4....0..1..4..3..0..2..0....0..1..2..1..4..1..0
..0..1..2..1..4..1..4....0..1..0..1..0..3..0....0..1..4..1..2..1..4
CROSSREFS
Sequence in context: A224314 A224378 A223479 * A232947 A016842 A231861
KEYWORD
nonn
AUTHOR
R. H. Hardin Mar 21 2013
STATUS
approved

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Last modified February 25 16:57 EST 2024. Contains 370332 sequences. (Running on oeis4.)