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.

A178889 Numbers n such that R(n) (n-reversed) appears to the left of n in the string 12345678910111213....

Table of values

n a(n)
1 19
2 21
3 29
4 31
5 32
6 39
7 41
8 42
9 43
10 49
11 51
12 52
13 53
14 54
15 59
16 61
17 62
18 63
19 64
20 65
21 69
22 71
23 72
24 73
25 74
26 75
27 76
28 79
29 81
30 82
31 83
32 84
33 85
34 86
35 87
36 89
37 91
38 92
39 93
40 94
41 95
42 96
43 97
44 98
45 99
46 101
47 110
48 111
49 119
50 120
51 121
52 130
53 131
54 140
55 141
56 150
57 151
58 160
59 161
60 170
61 171
62 180
63 181

List of values

[19, 21, 29, 31, 32, 39, 41, 42, 43, 49, 51, 52, 53, 54, 59, 61, 62, 63, 64, 65, 69, 71, 72, 73, 74, 75, 76, 79, 81, 82, 83, 84, 85, 86, 87, 89, 91, 92, 93, 94, 95, 96, 97, 98, 99, 101, 110, 111, 119, 120, 121, 130, 131, 140, 141, 150, 151, 160, 161, 170, 171, 180, 181]