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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.

A163125 Sum of digits of the n-th Self-number (or Colombian number), A003052(n).

Table of values

n a(n)
1 1
2 3
3 5
4 7
5 9
6 2
7 4
8 6
9 8
10 10
11 12
12 14
13 16
14 9
15 2
16 4
17 6
18 8
19 10
20 12
21 14
22 16
23 18
24 11
25 4
26 6
27 8
28 10
29 12
30 14
31 16
32 18
33 20
34 4
35 6
36 8
37 10
38 12
39 14
40 16
41 18
42 20
43 4
44 6
45 8
46 10
47 12
48 14
49 16
50 18
51 20
52 13
53 6
54 8
55 10
56 12
57 14
58 16
59 18
60 20
61 13
62 15
63 8
64 10
65 12
66 14
67 16
68 18
69 20
70 13
71 15
72 17
73 10
74 12
75 14
76 16
77 18
78 20
79 13

List of values

[1, 3, 5, 7, 9, 2, 4, 6, 8, 10, 12, 14, 16, 9, 2, 4, 6, 8, 10, 12, 14, 16, 18, 11, 4, 6, 8, 10, 12, 14, 16, 18, 20, 4, 6, 8, 10, 12, 14, 16, 18, 20, 4, 6, 8, 10, 12, 14, 16, 18, 20, 13, 6, 8, 10, 12, 14, 16, 18, 20, 13, 15, 8, 10, 12, 14, 16, 18, 20, 13, 15, 17, 10, 12, 14, 16, 18, 20, 13]

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