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.

A342090 Numbers with at least one prime power p^e in their prime factorization such that p|e.

Table of values

n a(n)
1 4
2 12
3 16
4 20
5 27
6 28
7 36
8 44
9 48
10 52
11 54
12 60
13 64
14 68
15 76
16 80
17 84
18 92
19 100
20 108
21 112
22 116
23 124
24 132
25 135
26 140
27 144
28 148
29 156
30 164
31 172
32 176
33 180
34 188
35 189
36 192
37 196
38 204
39 208
40 212
41 216
42 220
43 228
44 236
45 240
46 244
47 252
48 256
49 260
50 268
51 270
52 272
53 276
54 284
55 292
56 297
57 300

List of values

[4, 12, 16, 20, 27, 28, 36, 44, 48, 52, 54, 60, 64, 68, 76, 80, 84, 92, 100, 108, 112, 116, 124, 132, 135, 140, 144, 148, 156, 164, 172, 176, 180, 188, 189, 192, 196, 204, 208, 212, 216, 220, 228, 236, 240, 244, 252, 256, 260, 268, 270, 272, 276, 284, 292, 297, 300]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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