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.

A338123 Place three points evenly spaced around a circle, draw n evenly spaced rays from each of the points, a(n) is the number of vertices thus created. See Comments for details.

Table of values

n a(n)
1 3
2 4
3 15
4 19
5 33
6 31
7 63
8 55
9 78
10 82
11 120
12 67
13 162
14 154
15 189
16 175
17 261
18 217
19 327
20 259
21 360
22 370
23 456
24 283
25 534
26 514
27 579
28 523
29 705
30 619
31 807
32 703
33 858
34 874
35 1008
36 691
37 1122
38 1090
39 1185
40 1111
41 1365
42 1237
43 1503
44 1339
45 1572
46 1594
47 1776
48 1339
49 1926
50 1882
51 2007
52 1891

List of values

[3, 4, 15, 19, 33, 31, 63, 55, 78, 82, 120, 67, 162, 154, 189, 175, 261, 217, 327, 259, 360, 370, 456, 283, 534, 514, 579, 523, 705, 619, 807, 703, 858, 874, 1008, 691, 1122, 1090, 1185, 1111, 1365, 1237, 1503, 1339, 1572, 1594, 1776, 1339, 1926, 1882, 2007, 1891]