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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.

A235507 Harshad numbers which when divided by sum of their digits, give a quotient which is a Harshad number.

Table of values

n a(n)
1 1
2 2
3 3
4 4
5 5
6 6
7 7
8 8
9 9
10 10
11 12
12 18
13 20
14 21
15 24
16 27
17 30
18 36
19 40
20 42
21 45
22 48
23 50
24 54
25 60
26 63
27 70
28 72
29 80
30 81
31 84
32 90
33 100
34 108
35 120
36 162
37 180
38 200
39 210
40 216
41 240
42 243
43 270
44 300
45 324
46 360
47 378
48 400
49 405
50 420
51 432
52 450
53 480
54 486
55 500
56 540
57 600
58 630
59 648
60 700
61 720

List of values

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 18, 20, 21, 24, 27, 30, 36, 40, 42, 45, 48, 50, 54, 60, 63, 70, 72, 80, 81, 84, 90, 100, 108, 120, 162, 180, 200, 210, 216, 240, 243, 270, 300, 324, 360, 378, 400, 405, 420, 432, 450, 480, 486, 500, 540, 600, 630, 648, 700, 720]

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

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