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.

A051806 Numbers with nonzero multiplicative digital root 4.

Table of values

n a(n)
1 4
2 14
3 22
4 27
5 39
6 40
7 41
8 58
9 72
10 85
11 89
12 93
13 98
14 104
15 114
16 122
17 127
18 139
19 140
20 141
21 158
22 172
23 185
24 189
25 193
26 198
27 202
28 207
29 212
30 217
31 220
32 221
33 245
34 249
35 254
36 266
37 270
38 271
39 277
40 294
41 309
42 319
43 333
44 338
45 346
46 364
47 379
48 383

List of values

[4, 14, 22, 27, 39, 40, 41, 58, 72, 85, 89, 93, 98, 104, 114, 122, 127, 139, 140, 141, 158, 172, 185, 189, 193, 198, 202, 207, 212, 217, 220, 221, 245, 249, 254, 266, 270, 271, 277, 294, 309, 319, 333, 338, 346, 364, 379, 383]