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.

A349484 Niven numbers whose arithmetic derivative is also a Niven number (A005349).

Table of values

n a(n)
1 2
2 3
3 4
4 5
5 6
6 7
7 8
8 9
9 10
10 18
11 20
12 21
13 27
14 36
15 48
16 50
17 54
18 72
19 81
20 100
21 108
22 111
23 112
24 135
25 153
26 156
27 180
28 192
29 201
30 209
31 210
32 216
33 224
34 225
35 230
36 243
37 280
38 288
39 306
40 324
41 336
42 351
43 364
44 378
45 392
46 400
47 405
48 407
49 420
50 432
51 441
52 480
53 481
54 486
55 500
56 504
57 511
58 512

List of values

[2, 3, 4, 5, 6, 7, 8, 9, 10, 18, 20, 21, 27, 36, 48, 50, 54, 72, 81, 100, 108, 111, 112, 135, 153, 156, 180, 192, 201, 209, 210, 216, 224, 225, 230, 243, 280, 288, 306, 324, 336, 351, 364, 378, 392, 400, 405, 407, 420, 432, 441, 480, 481, 486, 500, 504, 511, 512]