A324450 Number of labeled cyclic chord diagrams with n chords such that the minimal chord length equals six.

1, 28, 832, 21510, 534908, 13859131, 376302024, 10758388849, 324301515064, 10305945419380, 345043568421088, 12157186490730430, 450167342192163864, 17492055607930262356, 712111923015875566112, 30325363998402690968142, 1348761584058475514807527

Offset: 6

Author

Alois P. Heinz, Feb 28 2019

Keywords

• nonn

Links

• Alois P. Heinz, Table of n, a(n) for n = 6..150

Crossrefs

Column k=6 of A324429.

Cf. A324432, A324433.

Formula

a(n) = A324432(n) - A324433(n).