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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.

A352474 a(n) is the number of different ways to partition the set of vertices of a convex n-gon into 3 intersecting polygons.

Table of values

n a(n)
9 268
10 2055
11 10285
12 42515
13 157911
14 548912
15 1826846
16 5902458
17 18679974
18 58255005
19 179762211
20 550473301
21 1676299353
22 5083919214
23 15372833564
24 46383749572
25 139730014800
26 420448279875
27 1264071072745
28 3798101946855
29 11406989330923
30 34248214094780

List of values

[268, 2055, 10285, 42515, 157911, 548912, 1826846, 5902458, 18679974, 58255005, 179762211, 550473301, 1676299353, 5083919214, 15372833564, 46383749572, 139730014800, 420448279875, 1264071072745, 3798101946855, 11406989330923, 34248214094780]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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