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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.

A135204 Numbers n for which Sum_digits(n!) is a multiple of Sum_digits(n).

Table of values

n a(n)
1 1
2 2
3 3
4 9
5 10
6 11
7 12
8 14
9 16
10 18
11 20
12 21
13 22
14 27
15 28
16 30
17 33
18 35
19 36
20 44
21 45
22 51
23 54
24 60
25 61
26 63
27 72
28 75
29 81
30 87
31 90
32 99
33 100
34 102
35 105
36 108
37 111
38 114
39 117
40 120
41 126
42 130
43 135
44 143
45 144
46 153
47 158
48 162
49 165
50 171
51 180
52 182
53 185
54 189
55 190
56 192
57 200
58 201
59 202
60 204
61 206

List of values

[1, 2, 3, 9, 10, 11, 12, 14, 16, 18, 20, 21, 22, 27, 28, 30, 33, 35, 36, 44, 45, 51, 54, 60, 61, 63, 72, 75, 81, 87, 90, 99, 100, 102, 105, 108, 111, 114, 117, 120, 126, 130, 135, 143, 144, 153, 158, 162, 165, 171, 180, 182, 185, 189, 190, 192, 200, 201, 202, 204, 206]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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