cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A324448 Number of labeled cyclic chord diagrams with n chords such that the minimal chord length equals four.

Table of values

n a(n)
4 1
5 10
6 141
7 2107
8 35568
9 661329
10 13444940
11 297333278
12 7122103435
13 183969320652
14 5102519835609
15 151340386825771
16 4782068352314304
17 160422533608810186
18 5695524314835911655
19 213389274860898491690
20 8414796730663230017112
21 348422910620718837979244

List of values

[1, 10, 141, 2107, 35568, 661329, 13444940, 297333278, 7122103435, 183969320652, 5102519835609, 151340386825771, 4782068352314304, 160422533608810186, 5695524314835911655, 213389274860898491690, 8414796730663230017112, 348422910620718837979244]