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.

A048992 Hannah Rollman's numbers: the numbers excluded from A048991.

Table of values

n a(n)
1 12
2 23
3 31
4 34
5 41
6 42
7 45
8 51
9 52
10 53
11 56
12 61
13 62
14 63
15 64
16 67
17 71
18 72
19 73
20 74
21 75
22 78
23 81
24 82
25 83
26 84
27 85
28 86
29 89
30 91
31 92
32 93
33 94
34 95
35 96
36 97
37 98
38 101
39 111
40 113
41 121
42 122
43 123
44 131
45 141
46 151
47 161
48 171
49 181
50 191
51 192
52 201
53 202
54 210
55 211
56 212
57 213
58 214
59 215
60 216
61 217

List of values

[12, 23, 31, 34, 41, 42, 45, 51, 52, 53, 56, 61, 62, 63, 64, 67, 71, 72, 73, 74, 75, 78, 81, 82, 83, 84, 85, 86, 89, 91, 92, 93, 94, 95, 96, 97, 98, 101, 111, 113, 121, 122, 123, 131, 141, 151, 161, 171, 181, 191, 192, 201, 202, 210, 211, 212, 213, 214, 215, 216, 217]