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.

A049301 Numbers k such that k is a substring of 3^k.

Table of values

n a(n)
1 7
2 9
3 24
4 28
5 57
6 61
7 62
8 69
9 71
10 72
11 77
12 78
13 80
14 83
15 87
16 89
17 95
18 111
19 162
20 170
21 174
22 185
23 191
24 218
25 222
26 225
27 229
28 232
29 249
30 255
31 259
32 266
33 267
34 286
35 288
36 298
37 314
38 315
39 322
40 328
41 329
42 330
43 332
44 338
45 351
46 352
47 362
48 373
49 376
50 381
51 386
52 387
53 414
54 421
55 435
56 438

List of values

[7, 9, 24, 28, 57, 61, 62, 69, 71, 72, 77, 78, 80, 83, 87, 89, 95, 111, 162, 170, 174, 185, 191, 218, 222, 225, 229, 232, 249, 255, 259, 266, 267, 286, 288, 298, 314, 315, 322, 328, 329, 330, 332, 338, 351, 352, 362, 373, 376, 381, 386, 387, 414, 421, 435, 438]