A324449 Number of labeled cyclic chord diagrams with n chords such that the minimal chord length equals five.

1, 17, 352, 6722, 137225, 3013170, 70909863, 1785795023, 48031299838, 1376860759082, 41968192206641, 1356883954535010, 46416330714749286, 1675869323349039899, 63713356727612022712, 2544933663663025077386, 106578973284507947559875, 4670547639650409700162167

Offset: 5

Author

Alois P. Heinz, Feb 28 2019

Keywords

• nonn

Links

• Alois P. Heinz, Table of n, a(n) for n = 5..200

Crossrefs

Column k=5 of A324429.

Cf. A324431, A324432.

Formula

a(n) = A324431(n) - A324432(n).