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.

A324048 a(n) = A000203(n) - A083254(n) = n + sigma(n) - 2*phi(n).

Table of values

n a(n)
1 0
2 3
3 3
4 7
5 3
6 14
7 3
8 15
9 10
10 20
11 3
12 32
13 3
14 26
15 23
16 31
17 3
18 45
19 3
20 46
21 29
22 38
23 3
24 68
25 16
26 44
27 31
28 60
29 3
30 86
31 3
32 63
33 41
34 56
35 35
36 103
37 3
38 62
39 47
40 98
41 3
42 114
43 3
44 88
45 75
46 74
47 3
48 140
49 22
50 103
51 59
52 102
53 3
54 138
55 47
56 128
57 65
58 92
59 3
60 196
61 3
62 98
63 95
64 127
65 53
66 170
67 3
68 130
69 77
70 166
71 3
72 219
73 3
74 116
75 119
76 144
77 53
78 198
79 3
80 202
81 94
82 128
83 3

List of values

[0, 3, 3, 7, 3, 14, 3, 15, 10, 20, 3, 32, 3, 26, 23, 31, 3, 45, 3, 46, 29, 38, 3, 68, 16, 44, 31, 60, 3, 86, 3, 63, 41, 56, 35, 103, 3, 62, 47, 98, 3, 114, 3, 88, 75, 74, 3, 140, 22, 103, 59, 102, 3, 138, 47, 128, 65, 92, 3, 196, 3, 98, 95, 127, 53, 170, 3, 130, 77, 166, 3, 219, 3, 116, 119, 144, 53, 198, 3, 202, 94, 128, 3]