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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.

A294723 a(n) is the total number of vertices after n-th stage in the diagram of the symmetries of sigma described in A236104, with a(0) = 1.

Table of values

n a(n)
0 1
1 4
2 7
3 11
4 16
5 20
6 27
7 31
8 38
9 45
10 53
11 57
12 66
13 70
14 78
15 89
16 100
17 104
18 115
19 119
20 130
21 142
22 150
23 154
24 167
25 176
26 184
27 196
28 211
29 215
30 230
31 234
32 249
33 261
34 269
35 280
36 297
37 301
38 309
39 321
40 338
41 342
42 359
43 363
44 379
45 398
46 406
47 410
48 429
49 440
50 459
51 471
52 487
53 491
54 510

List of values

[1, 4, 7, 11, 16, 20, 27, 31, 38, 45, 53, 57, 66, 70, 78, 89, 100, 104, 115, 119, 130, 142, 150, 154, 167, 176, 184, 196, 211, 215, 230, 234, 249, 261, 269, 280, 297, 301, 309, 321, 338, 342, 359, 363, 379, 398, 406, 410, 429, 440, 459, 471, 487, 491, 510]

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

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