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.

A374223 Numbers k such that sigma(k) and sopfr(k) are both multiples of 3, where sigma is the sum of divisors, and sopfr is the sum of prime factors with repetition.

Table of values

n a(n)
1 8
2 14
3 20
4 24
5 26
6 35
7 38
8 42
9 44
10 50
11 60
12 62
13 65
14 68
15 72
16 74
17 77
18 78
19 86
20 92
21 95
22 105
23 110
24 114
25 116
26 119
27 122
28 125
29 126
30 132
31 134
32 143
33 146
34 150
35 155
36 158
37 160
38 161
39 164
40 170
41 180
42 185
43 186
44 188
45 194
46 195
47 196
48 203
49 204
50 206
51 209
52 212
53 215
54 216
55 218
56 221
57 222
58 230
59 231
60 234
61 236
62 242
63 254
64 258
65 275
66 276
67 278
68 280

List of values

[8, 14, 20, 24, 26, 35, 38, 42, 44, 50, 60, 62, 65, 68, 72, 74, 77, 78, 86, 92, 95, 105, 110, 114, 116, 119, 122, 125, 126, 132, 134, 143, 146, 150, 155, 158, 160, 161, 164, 170, 180, 185, 186, 188, 194, 195, 196, 203, 204, 206, 209, 212, 215, 216, 218, 221, 222, 230, 231, 234, 236, 242, 254, 258, 275, 276, 278, 280]