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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.

A263808 Numbers k such that the iterated subtraction of the decimal digits eventually reaches -k.

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 11
12 12
13 15
14 18
15 20
16 21
17 22
18 24
19 27
20 30
21 33
22 36
23 40
24 42
25 44
26 45
27 48
28 50
29 51
30 54
31 55
32 60
33 63
34 66
35 70
36 72
37 77
38 80
39 81
40 84
41 88
42 89
43 90
44 98
45 99
46 100
47 101
48 102
49 105
50 108
51 110
52 111
53 112
54 113
55 114
56 116
57 117
58 120
59 123
60 124
61 126
62 128

List of values

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 15, 18, 20, 21, 22, 24, 27, 30, 33, 36, 40, 42, 44, 45, 48, 50, 51, 54, 55, 60, 63, 66, 70, 72, 77, 80, 81, 84, 88, 89, 90, 98, 99, 100, 101, 102, 105, 108, 110, 111, 112, 113, 114, 116, 117, 120, 123, 124, 126, 128]

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

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