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.

A215830 Numbers k such that 2^k contains each decimal digit at least twice.

Table of values

n a(n)
1 88
2 104
3 113
4 114
5 116
6 117
7 118
8 119
9 120
10 125
11 126
12 131
13 133
14 134
15 136
16 140
17 141
18 142
19 144
20 145
21 146
22 147
23 148
24 150
25 155
26 156
27 157
28 159
29 160
30 161
31 162
32 163
33 164
34 165
35 166
36 170
37 171
38 172
39 175
40 177
41 178
42 179
43 180
44 181
45 182
46 185
47 186
48 187
49 188
50 189
51 190
52 191
53 192

List of values

[88, 104, 113, 114, 116, 117, 118, 119, 120, 125, 126, 131, 133, 134, 136, 140, 141, 142, 144, 145, 146, 147, 148, 150, 155, 156, 157, 159, 160, 161, 162, 163, 164, 165, 166, 170, 171, 172, 175, 177, 178, 179, 180, 181, 182, 185, 186, 187, 188, 189, 190, 191, 192]