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A370741 Number of 3-edge-colorings of the complete graph on n labeled vertices without rainbow colored triangles. 1
1, 1, 3, 21, 279, 6129, 210987, 11813949, 1212514191, 258945624441, 119434656926403, 115822196942035936, 230278743809297350656, 927472598521910778658816, 7524503812375420895515115520, 122594420168978189387577050529792, 4004323623554618525117142486495526912 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,3
COMMENTS
A rainbow colored triangle is a triangle (3-clique) in which each of the edges has a different color.
The initial terms were calculated using a computer algorithm derived from a recursive formula based on the characteristics of 3-edge-colored cliques without rainbow colored triangles.
LINKS
Jing Chen, Python program
CROSSREFS
Sequence in context: A130032 A174967 A126461 * A000681 A222035 A361214
KEYWORD
nonn,new
AUTHOR
Jing Chen, Feb 27 2024
STATUS
approved

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Last modified May 8 06:32 EDT 2024. Contains 372319 sequences. (Running on oeis4.)