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.

A241007 Decimal encoding of the prime factorization of a(n) is a prime.

Table of values

n a(n)
1 3
2 6
3 7
4 8
5 13
6 19
7 20
8 31
9 35
10 38
11 40
12 43
13 44
14 45
15 56
16 60
17 63
18 65
19 68
20 69
21 96
22 97
23 103
24 104
25 109
26 116
27 119
28 122
29 125
30 133
31 138
32 151
33 157
34 159
35 160
36 171
37 174
38 181
39 189
40 193
41 204
42 209
43 211
44 212
45 215
46 216
47 220
48 221
49 232
50 241
51 248
52 250
53 254
54 267
55 271
56 273
57 280

List of values

[3, 6, 7, 8, 13, 19, 20, 31, 35, 38, 40, 43, 44, 45, 56, 60, 63, 65, 68, 69, 96, 97, 103, 104, 109, 116, 119, 122, 125, 133, 138, 151, 157, 159, 160, 171, 174, 181, 189, 193, 204, 209, 211, 212, 215, 216, 220, 221, 232, 241, 248, 250, 254, 267, 271, 273, 280]