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.

A217856 Numbers with three prime factors, not necessarily distinct, except cubes of primes.

Table of values

n a(n)
1 12
2 18
3 20
4 28
5 30
6 42
7 44
8 45
9 50
10 52
11 63
12 66
13 68
14 70
15 75
16 76
17 78
18 92
19 98
20 99
21 102
22 105
23 110
24 114
25 116
26 117
27 124
28 130
29 138
30 147
31 148
32 153
33 154
34 164
35 165
36 170
37 171
38 172
39 174
40 175
41 182
42 186
43 188
44 190
45 195
46 207
47 212
48 222
49 230
50 231
51 236
52 238
53 242
54 244
55 245
56 246

List of values

[12, 18, 20, 28, 30, 42, 44, 45, 50, 52, 63, 66, 68, 70, 75, 76, 78, 92, 98, 99, 102, 105, 110, 114, 116, 117, 124, 130, 138, 147, 148, 153, 154, 164, 165, 170, 171, 172, 174, 175, 182, 186, 188, 190, 195, 207, 212, 222, 230, 231, 236, 238, 242, 244, 245, 246]