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.

A049307 Numbers k such that k is a substring of 9^k.

Table of values

n a(n)
1 5
2 7
3 9
4 25
5 26
6 31
7 37
8 43
9 46
10 47
11 48
12 53
13 59
14 60
15 61
16 63
17 68
18 69
19 70
20 72
21 74
22 76
23 80
24 85
25 87
26 88
27 89
28 91
29 94
30 97
31 101
32 104
33 107
34 124
35 132
36 135
37 140
38 148
39 158
40 166
41 170
42 180
43 187
44 190
45 199
46 209
47 211
48 215
49 231
50 243
51 244
52 256
53 266
54 270
55 271
56 279
57 283
58 288
59 289
60 291

List of values

[5, 7, 9, 25, 26, 31, 37, 43, 46, 47, 48, 53, 59, 60, 61, 63, 68, 69, 70, 72, 74, 76, 80, 85, 87, 88, 89, 91, 94, 97, 101, 104, 107, 124, 132, 135, 140, 148, 158, 166, 170, 180, 187, 190, 199, 209, 211, 215, 231, 243, 244, 256, 266, 270, 271, 279, 283, 288, 289, 291]