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.

A096857 a[n] is the length of terminal cycle of the trajectory of g[x]=sigma(phi(x)) if started at 2^n. Formally identical to A096852, but arguments are shifted by 1 and the iterated functions are different!.

Table of values

n a(n)
1 1
2 1
3 2
4 1
5 3
6 2
7 2
8 1
9 2
10 2
11 6
12 2
13 1
14 6
15 2
16 1
17 2
18 3
19 11
20 11
21 2
22 2
23 15
24 15
25 18
26 18
27 18
28 18
29 12
30 12
31 12
32 1

List of values

[1, 1, 2, 1, 3, 2, 2, 1, 2, 2, 6, 2, 1, 6, 2, 1, 2, 3, 11, 11, 2, 2, 15, 15, 18, 18, 18, 18, 12, 12, 12, 1]

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

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