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 A223439 Generalized Petersen graph (8,2) coloring a rectangular array: number of nX7 0..15 arrays where 0..15 label nodes of a graph with edges 0,1 0,8 8,14 8,10 1,2 1,9 9,15 9,11 2,3 2,10 10,12 3,4 3,11 11,13 4,5 4,12 12,14 5,6 5,13 13,15 6,7 6,14 7,0 7,15 and every array movement to a horizontal or vertical neighbor moves along an edge of this graph 1
 11664, 1180256, 179532768, 33277934848, 6790055219264, 1445484467129440, 313233804577725904, 68373044838570536416, 14968850924351337707600, 3281073242585313313486816, 719543293998612435740651440 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Column 7 of A223440 LINKS R. H. Hardin, Table of n, a(n) for n = 1..210 EXAMPLE Some solutions for n=3 ..8..0..8.14..8.14..8....8..0..8.14.12.10.12....8..0..8.10.12.14..8 ..0..8.14..8.10..8.10....0..8.14..8.10.12.14....0..8.10..8.14.12.10 ..8..0..8..0..8.10..2....8..0..8.10..8.10..8....8..0..8.14.12.10..8 CROSSREFS Sequence in context: A352330 A203821 A223598 * A223691 A254770 A254777 Adjacent sequences: A223436 A223437 A223438 * A223440 A223441 A223442 KEYWORD nonn AUTHOR R. H. Hardin Mar 20 2013 STATUS approved

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Last modified December 5 10:56 EST 2023. Contains 367589 sequences. (Running on oeis4.)