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.

A279984 Positions of the prime numbers in the sequence of numbers that are not perfect powers (A007916).

Table of values

n a(n)
1 1
2 2
3 3
4 5
5 7
6 9
7 12
8 14
9 18
10 22
11 24
12 28
13 32
14 34
15 38
16 43
17 49
18 51
19 56
20 60
21 62
22 68
23 71
24 77
25 85
26 88
27 90
28 94
29 96
30 100
31 112
32 115
33 121
34 123
35 132
36 134
37 140
38 146
39 150
40 155
41 161
42 163
43 173
44 175
45 178
46 180
47 192
48 203
49 206
50 208
51 212
52 218
53 220
54 229
55 234
56 240
57 246
58 248
59 254

List of values

[1, 2, 3, 5, 7, 9, 12, 14, 18, 22, 24, 28, 32, 34, 38, 43, 49, 51, 56, 60, 62, 68, 71, 77, 85, 88, 90, 94, 96, 100, 112, 115, 121, 123, 132, 134, 140, 146, 150, 155, 161, 163, 173, 175, 178, 180, 192, 203, 206, 208, 212, 218, 220, 229, 234, 240, 246, 248, 254]

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

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