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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.

A306602 Number of elements in the ten nonconvex regular 4-polytopes (regular 4-dimensional star-polytopes), as a four-column array, read by rows, with rows ordered first by increasing density, then by increasing cell-count, then by increasing face-count, then by increasing edge-count and then by increasing vertex-count.

Table of values

n a(n)
1 120
2 720
3 1200
4 120
5 120
6 1200
7 720
8 120
9 120
10 720
11 720
12 120
13 120
14 720
15 720
16 120
17 120
18 720
19 720
20 120
21 120
22 720
23 720
24 120
25 120
26 720
27 1200
28 120
29 120
30 1200
31 720
32 120
33 120
34 720
35 1200
36 600
37 600
38 1200
39 720
40 120

List of values

[120, 720, 1200, 120, 120, 1200, 720, 120, 120, 720, 720, 120, 120, 720, 720, 120, 120, 720, 720, 120, 120, 720, 720, 120, 120, 720, 1200, 120, 120, 1200, 720, 120, 120, 720, 1200, 600, 600, 1200, 720, 120]

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