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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.

A338042 Draw n rays from each of two distinct points in the plane; a(n) is the number of vertices thus created. See Comments for details.

Table of values

n a(n)
1 2
2 2
3 4
4 2
5 8
6 4
7 14
8 8
9 22
10 14
11 32
12 22
13 44
14 32
15 58
16 44
17 74
18 58
19 92
20 74
21 112
22 92
23 134
24 112
25 158
26 134
27 184
28 158
29 212
30 184
31 242
32 212
33 274
34 242
35 308
36 274
37 344
38 308
39 382
40 344
41 422
42 382
43 464
44 422
45 508
46 464
47 554
48 508
49 602
50 554
51 652
52 602
53 704
54 652
55 758
56 704
57 814
58 758

List of values

[2, 2, 4, 2, 8, 4, 14, 8, 22, 14, 32, 22, 44, 32, 58, 44, 74, 58, 92, 74, 112, 92, 134, 112, 158, 134, 184, 158, 212, 184, 242, 212, 274, 242, 308, 274, 344, 308, 382, 344, 422, 382, 464, 422, 508, 464, 554, 508, 602, 554, 652, 602, 704, 652, 758, 704, 814, 758]

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

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