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.

A350116 Number of ways to partition the set of vertices of a convex {n+8}-gon into 3 non-intersecting polygons.

Table of values

n a(n)
0 0
1 12
2 45
3 110
4 220
5 390
6 637
7 980
8 1440
9 2040
10 2805
11 3762
12 4940
13 6370
14 8085
15 10120
16 12512
17 15300
18 18525
19 22230
20 26460
21 31262
22 36685
23 42780
24 49600
25 57200
26 65637
27 74970
28 85260
29 96570
30 108965
31 122512
32 137280
33 153340
34 170765
35 189630
36 210012
37 231990
38 255645
39 281060
40 308320

List of values

[0, 12, 45, 110, 220, 390, 637, 980, 1440, 2040, 2805, 3762, 4940, 6370, 8085, 10120, 12512, 15300, 18525, 22230, 26460, 31262, 36685, 42780, 49600, 57200, 65637, 74970, 85260, 96570, 108965, 122512, 137280, 153340, 170765, 189630, 210012, 231990, 255645, 281060, 308320]