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A324432 Number of labeled cyclic chord diagrams with n chords such that every chord has length at least six. 4
1, 0, 0, 0, 0, 0, 1, 29, 879, 23559, 607897, 16179520, 449286927, 13098525681, 401675273973, 12961858610835, 439969542845247, 15694595867800757, 587665598756534677, 23065866584266238427, 947631130543961813887, 40691002929409496892633, 1823524185613956274776800 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,8

LINKS

Alois P. Heinz, Table of n, a(n) for n = 0..200

CROSSREFS

Column k=6 of A324428.

Sequence in context: A042626 A157877 A158665 * A167738 A107964 A096699

Adjacent sequences:  A324429 A324430 A324431 * A324433 A324434 A324435

KEYWORD

nonn

AUTHOR

Alois P. Heinz, Feb 27 2019

STATUS

approved

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Last modified May 26 20:51 EDT 2022. Contains 354092 sequences. (Running on oeis4.)