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A324433 Number of labeled cyclic chord diagrams with n chords such that every chord has length at least seven. 4
1, 0, 0, 0, 0, 0, 0, 1, 47, 2049, 72989, 2320389, 72984903, 2340136832, 77373758909, 2655913191455, 94925974424159, 3537409377070327, 137498256564370813, 5573810976335976071, 235519207528086247775, 10365638931006805924491, 474762601555480759969273 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,9

LINKS

Alois P. Heinz, Table of n, a(n) for n = 0..150

CROSSREFS

Column k=7 of A324428.

Sequence in context: A278268 A014941 A280707 * A289984 A189173 A162896

Adjacent sequences:  A324430 A324431 A324432 * A324434 A324435 A324436

KEYWORD

nonn

AUTHOR

Alois P. Heinz, Feb 27 2019

STATUS

approved

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Last modified January 21 03:58 EST 2022. Contains 350473 sequences. (Running on oeis4.)