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.

A347230 Möbius transform of A344695, gcd(sigma(n), psi(n)).

Table of values

n a(n)
1 1
2 2
3 3
4 -2
5 5
6 6
7 7
8 2
9 -3
10 10
11 11
12 -6
13 13
14 14
15 15
16 -2
17 17
18 -6
19 19
20 -10
21 21
22 22
23 23
24 6
25 -5
26 26
27 3
28 -14
29 29
30 30
31 31
32 2
33 33
34 34
35 35
36 6
37 37
38 38
39 39
40 10
41 41
42 42
43 43
44 -22
45 -15
46 46
47 47
48 -6
49 -7
50 -10
51 51
52 -26
53 53
54 6
55 55
56 14
57 57
58 58
59 59
60 -30
61 61
62 62
63 -21
64 -2
65 65
66 66
67 67
68 -34
69 69
70 70
71 71
72 -6
73 73
74 74
75 -15
76 -38
77 77
78 78
79 79

List of values

[1, 2, 3, -2, 5, 6, 7, 2, -3, 10, 11, -6, 13, 14, 15, -2, 17, -6, 19, -10, 21, 22, 23, 6, -5, 26, 3, -14, 29, 30, 31, 2, 33, 34, 35, 6, 37, 38, 39, 10, 41, 42, 43, -22, -15, 46, 47, -6, -7, -10, 51, -26, 53, 6, 55, 14, 57, 58, 59, -30, 61, 62, -21, -2, 65, 66, 67, -34, 69, 70, 71, -6, 73, 74, -15, -38, 77, 78, 79]