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.

A066207 All primes that divide n are of the form prime(2k), where prime(k) is k-th prime.

Table of values

n a(n)
1 1
2 3
3 7
4 9
5 13
6 19
7 21
8 27
9 29
10 37
11 39
12 43
13 49
14 53
15 57
16 61
17 63
18 71
19 79
20 81
21 87
22 89
23 91
24 101
25 107
26 111
27 113
28 117
29 129
30 131
31 133
32 139
33 147
34 151
35 159
36 163
37 169
38 171
39 173
40 181
41 183
42 189
43 193
44 199
45 203
46 213
47 223
48 229
49 237
50 239
51 243
52 247
53 251
54 259
55 261
56 263
57 267
58 271
59 273

List of values

[1, 3, 7, 9, 13, 19, 21, 27, 29, 37, 39, 43, 49, 53, 57, 61, 63, 71, 79, 81, 87, 89, 91, 101, 107, 111, 113, 117, 129, 131, 133, 139, 147, 151, 159, 163, 169, 171, 173, 181, 183, 189, 193, 199, 203, 213, 223, 229, 237, 239, 243, 247, 251, 259, 261, 263, 267, 271, 273]

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

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