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A324449 Number of labeled cyclic chord diagrams with n chords such that the minimal chord length equals five. 2
1, 17, 352, 6722, 137225, 3013170, 70909863, 1785795023, 48031299838, 1376860759082, 41968192206641, 1356883954535010, 46416330714749286, 1675869323349039899, 63713356727612022712, 2544933663663025077386, 106578973284507947559875, 4670547639650409700162167 (list; graph; refs; listen; history; text; internal format)
OFFSET
5,2
LINKS
FORMULA
a(n) = A324431(n) - A324432(n).
CROSSREFS
Column k=5 of A324429.
Sequence in context: A361096 A137246 A171860 * A191589 A194729 A081421
KEYWORD
nonn
AUTHOR
Alois P. Heinz, Feb 28 2019
STATUS
approved

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Last modified March 29 06:13 EDT 2024. Contains 371265 sequences. (Running on oeis4.)