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.

A025473 a(1) = 1; for n > 1, a(n) = prime root of n-th prime power (A000961).

Table of values

n a(n)
1 1
2 2
3 3
4 2
5 5
6 7
7 2
8 3
9 11
10 13
11 2
12 17
13 19
14 23
15 5
16 3
17 29
18 31
19 2
20 37
21 41
22 43
23 47
24 7
25 53
26 59
27 61
28 2
29 67
30 71
31 73
32 79
33 3
34 83
35 89
36 97
37 101
38 103
39 107
40 109
41 113
42 11
43 5
44 127
45 2
46 131
47 137
48 139
49 149
50 151
51 157
52 163
53 167
54 13
55 173
56 179
57 181
58 191
59 193
60 197
61 199
62 211
63 223
64 227
65 229
66 233
67 239

List of values

[1, 2, 3, 2, 5, 7, 2, 3, 11, 13, 2, 17, 19, 23, 5, 3, 29, 31, 2, 37, 41, 43, 47, 7, 53, 59, 61, 2, 67, 71, 73, 79, 3, 83, 89, 97, 101, 103, 107, 109, 113, 11, 5, 127, 2, 131, 137, 139, 149, 151, 157, 163, 167, 13, 173, 179, 181, 191, 193, 197, 199, 211, 223, 227, 229, 233, 239]

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

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