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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.

A131998 Numbers m such that the number of letters in the m-th ordinal number divides m.

Table of values

n a(n)
1 5
2 7
3 10
4 24
5 33
6 40
7 44
8 70
9 78
10 84
11 90
12 99
13 105
14 126
15 132
16 168
17 176
18 189
19 190
20 198
21 208
22 210
23 231
24 252
25 306
26 315
27 340
28 360
29 368
30 384
31 391
32 408
33 420
34 441
35 462
36 480
37 520
38 546
39 575
40 580
41 598
42 600
43 608
44 612
45 638
46 682
47 693
48 700
49 702
50 736
51 740
52 760
53 770
54 792
55 814

List of values

[5, 7, 10, 24, 33, 40, 44, 70, 78, 84, 90, 99, 105, 126, 132, 168, 176, 189, 190, 198, 208, 210, 231, 252, 306, 315, 340, 360, 368, 384, 391, 408, 420, 441, 462, 480, 520, 546, 575, 580, 598, 600, 608, 612, 638, 682, 693, 700, 702, 736, 740, 760, 770, 792, 814]