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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.

A317292 a(n) is the total number of edges after n-th stage in the diagram of the symmetries of sigma in which the parts of width > 1 are dissected into subparts of width 1, with a(0) = 0.

Table of values

n a(n)
0 0
1 4
2 8
3 14
4 20
5 26
6 36
7 42
8 50
9 60
10 70
11 76
12 92
13 98
14 108
15 124
16 136
17 142
18 160
19 166
20 182
21 198
22 208
23 214
24 238
25 250
26 260
27 276
28 294
29 300

List of values

[0, 4, 8, 14, 20, 26, 36, 42, 50, 60, 70, 76, 92, 98, 108, 124, 136, 142, 160, 166, 182, 198, 208, 214, 238, 250, 260, 276, 294, 300]

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

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