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.

A036446 Not of form sigma(k) - phi(k).

Table of values

n a(n)
1 1
2 3
3 4
4 6
5 8
6 9
7 12
8 13
9 17
10 19
11 21
12 25
13 29
14 31
15 37
16 41
17 43
18 45
19 46
20 49
21 51
22 53
23 55
24 57
25 58
26 61
27 65
28 69
29 70
30 71
31 77
32 81
33 82
34 85
35 89
36 91
37 93
38 97
39 99
40 101
41 103
42 105
43 109
44 111
45 113
46 114
47 115
48 117
49 118
50 121
51 125
52 127
53 130
54 131
55 133
56 134
57 137
58 139
59 141
60 142
61 145
62 149
63 151

List of values

[1, 3, 4, 6, 8, 9, 12, 13, 17, 19, 21, 25, 29, 31, 37, 41, 43, 45, 46, 49, 51, 53, 55, 57, 58, 61, 65, 69, 70, 71, 77, 81, 82, 85, 89, 91, 93, 97, 99, 101, 103, 105, 109, 111, 113, 114, 115, 117, 118, 121, 125, 127, 130, 131, 133, 134, 137, 139, 141, 142, 145, 149, 151]