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A242245 Number of rooted connected chord diagrams ordered by terminal chords lexicographically. 0
1, 3, 8, 15, 15, 30, 71, 105, 24, 51, 117, 180, 206, 315, 744, 945 (list; graph; refs; listen; history; text; internal format)
OFFSET
2,2
LINKS
Nicolas Marie, Karen Yeats, A chord diagram expansion coming from some Dyson-Schwinger equations, arXiv:1210.5457 [math.CO], (19-October-2012)
CROSSREFS
Sequence in context: A208436 A297015 A135872 * A045263 A004733 A310307
KEYWORD
nonn,more
AUTHOR
Markus Hihn, May 09 2014
STATUS
approved

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Last modified March 28 18:04 EDT 2024. Contains 371254 sequences. (Running on oeis4.)