A324454 Number of labeled cyclic chord diagrams with n chords such that the minimal chord length equals ten.

1, 198, 25749, 2015494, 121674925, 6400793475, 310414049312, 14688518762004, 693235647356851, 33008431891584003, 1597253179281993720, 78946602364958282241, 3998069693019478121036, 207844726705325804349510

Offset

10,2

Links

Alois P. Heinz, Table of n, a(n) for n = 10..23

Formula

a(n) = A324436(n) - A324428(n,11).

Crossrefs

Column k=10 of A324429.

Cf. A324428, A324436.

Sequence in context: A278017 A348602 A270849 * A097731 A006243 A171391

Adjacent sequences: A324451 A324452 A324453 * A324455 A324456 A324457

Keyword

nonn

Author

Alois P. Heinz, Feb 28 2019

Status

approved