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.

A194041 Lucky numbers which are also unhappy numbers.

Table of values

n a(n)
1 3
2 9
3 15
4 21
5 25
6 33
7 37
8 43
9 51
10 63
11 67
12 69
13 73
14 75
15 87
16 93
17 99
18 105
19 111
20 115
21 127
22 135
23 141
24 151
25 159
26 163
27 169
28 171
29 189
30 195
31 201
32 205
33 211
34 223
35 231
36 235
37 237
38 241
39 259
40 261
41 267
42 273
43 283
44 285
45 289
46 297
47 303
48 307
49 321
50 327
51 339
52 349
53 357
54 361
55 385
56 393

List of values

[3, 9, 15, 21, 25, 33, 37, 43, 51, 63, 67, 69, 73, 75, 87, 93, 99, 105, 111, 115, 127, 135, 141, 151, 159, 163, 169, 171, 189, 195, 201, 205, 211, 223, 231, 235, 237, 241, 259, 261, 267, 273, 283, 285, 289, 297, 303, 307, 321, 327, 339, 349, 357, 361, 385, 393]