A324434 Number of labeled cyclic chord diagrams with n chords such that every chord has length at least eight.

1, 0, 0, 0, 0, 0, 0, 0, 1, 76, 4788, 221917, 8887710, 331432067, 12269388935, 460168784128, 17665933357441, 698638441294365, 28556568958525122, 1208570048233111199, 53007713800631794460, 2410148120774836584364, 113594056221675357350279, 5547970208256475164372741

Offset

0,10

Links

Alois P. Heinz, Table of n, a(n) for n = 0..97

Crossrefs

Column k=8 of A324428.

Sequence in context: A198530 A234176 A116264 * A004299 A049669 A198476

Adjacent sequences: A324431 A324432 A324433 * A324435 A324436 A324437

Keyword

nonn

Author

Alois P. Heinz, Feb 27 2019

Status

approved