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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.

A138470 Number of numbers less than n having a smaller sum of digits.

Table of values

n a(n)
0 0
1 1
2 2
3 3
4 4
5 5
6 6
7 7
8 8
9 9
10 1
11 3
12 5
13 7
14 9
15 11
16 13
17 15
18 17
19 19
20 3
21 6
22 9
23 12
24 15
25 18
26 21
27 24
28 27
29 29
30 6
31 10
32 14
33 18
34 22
35 26
36 30
37 34
38 37
39 39
40 10
41 15
42 20
43 25
44 30
45 35
46 40
47 44
48 47
49 49
50 15
51 21
52 27
53 33
54 39
55 45
56 50
57 54
58 57
59 59
60 21
61 28
62 35
63 42
64 49
65 55
66 60
67 64
68 67
69 69
70 28
71 36
72 44
73 52
74 59
75 65

List of values

[0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 1, 3, 5, 7, 9, 11, 13, 15, 17, 19, 3, 6, 9, 12, 15, 18, 21, 24, 27, 29, 6, 10, 14, 18, 22, 26, 30, 34, 37, 39, 10, 15, 20, 25, 30, 35, 40, 44, 47, 49, 15, 21, 27, 33, 39, 45, 50, 54, 57, 59, 21, 28, 35, 42, 49, 55, 60, 64, 67, 69, 28, 36, 44, 52, 59, 65]

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