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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.

A160939 a(n) = n + digital sum (n-1).

Table of values

n a(n)
1 1
2 3
3 5
4 7
5 9
6 11
7 13
8 15
9 17
10 19
11 12
12 14
13 16
14 18
15 20
16 22
17 24
18 26
19 28
20 30
21 23
22 25
23 27
24 29
25 31
26 33
27 35
28 37
29 39
30 41
31 34
32 36
33 38
34 40
35 42
36 44
37 46
38 48
39 50
40 52
41 45
42 47
43 49
44 51
45 53
46 55
47 57
48 59
49 61
50 63
51 56
52 58
53 60
54 62
55 64
56 66
57 68
58 70
59 72
60 74
61 67
62 69
63 71
64 73
65 75
66 77
67 79
68 81
69 83
70 85
71 78

List of values

[1, 3, 5, 7, 9, 11, 13, 15, 17, 19, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30, 23, 25, 27, 29, 31, 33, 35, 37, 39, 41, 34, 36, 38, 40, 42, 44, 46, 48, 50, 52, 45, 47, 49, 51, 53, 55, 57, 59, 61, 63, 56, 58, 60, 62, 64, 66, 68, 70, 72, 74, 67, 69, 71, 73, 75, 77, 79, 81, 83, 85, 78]

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

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