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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.

A003453 Number of nonequivalent dissections of an n-gon into 3 polygons by nonintersecting diagonals up to rotation and reflection.

Table of values

n a(n)
5 1
6 3
7 6
8 11
9 17
10 26
11 36
12 50
13 65
14 85
15 106
16 133
17 161
18 196
19 232
20 276
21 321
22 375
23 430
24 495
25 561
26 638
27 716
28 806
29 897
30 1001
31 1106
32 1225
33 1345
34 1480
35 1616
36 1768
37 1921
38 2091
39 2262
40 2451
41 2641
42 2850
43 3060
44 3290
45 3521
46 3773
47 4026

List of values

[1, 3, 6, 11, 17, 26, 36, 50, 65, 85, 106, 133, 161, 196, 232, 276, 321, 375, 430, 495, 561, 638, 716, 806, 897, 1001, 1106, 1225, 1345, 1480, 1616, 1768, 1921, 2091, 2262, 2451, 2641, 2850, 3060, 3290, 3521, 3773, 4026]

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

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