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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.

A282283 Recursive 2-parameter sequence allowing calculation of the Euler Totient function.

Table of values

n a(n)
0 0
1 1
2 -1
3 1
4 2
5 -4
6 2
7 -4
8 10
9 -6
10 -2
11 2
12 6
13 -16
14 10
15 4
16 -6
17 8
18 -10
19 4
20 -10
21 28
22 -18
23 -8
24 10
25 -10
26 10
27 -2
28 8
29 -10
30 0
31 2
32 12
33 -34
34 22
35 10
36 -12
37 12
38 -22
39 30
40 -30
41 6
42 10
43 -10
44 8
45 0
46 6
47 -14
48 6
49 -18
50 52
51 -34
52 -16
53 18
54 -18
55 34
56 -36
57 20
58 10
59 -6
60 -2
61 4
62 -28
63 18
64 8

List of values

[0, 1, -1, 1, 2, -4, 2, -4, 10, -6, -2, 2, 6, -16, 10, 4, -6, 8, -10, 4, -10, 28, -18, -8, 10, -10, 10, -2, 8, -10, 0, 2, 12, -34, 22, 10, -12, 12, -22, 30, -30, 6, 10, -10, 8, 0, 6, -14, 6, -18, 52, -34, -16, 18, -18, 34, -36, 20, 10, -6, -2, 4, -28, 18, 8]

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

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