cp's OEIS Frontend

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.

A100769 Beginning with 1, least positive integer not occurring earlier such that the n-th partial concatenation is a multiple of n.

Table of values

n a(n)
1 1
2 2
3 3
4 6
5 5
6 4
7 16
8 8
9 9
10 10
11 14
12 12
13 20
14 26
15 35
16 36
17 37
18 44
19 7
20 40
21 31
22 22
23 19
24 28
25 25
26 32
27 39
28 56
29 60
30 70
31 43
32 52
33 49
34 30
35 15
36 48
37 51
38 58
39 59
40 120
41 50
42 64
43 93
44 88
45 65
46 86
47 61
48 168
49 101
50 100
51 57
52 68
53 13
54 84
55 155
56 104
57 158
58 54
59 127
60 80
61 133
62 38
63 78
64 144
65 45
66 138
67 18
68 76

List of values

[1, 2, 3, 6, 5, 4, 16, 8, 9, 10, 14, 12, 20, 26, 35, 36, 37, 44, 7, 40, 31, 22, 19, 28, 25, 32, 39, 56, 60, 70, 43, 52, 49, 30, 15, 48, 51, 58, 59, 120, 50, 64, 93, 88, 65, 86, 61, 168, 101, 100, 57, 68, 13, 84, 155, 104, 158, 54, 127, 80, 133, 38, 78, 144, 45, 138, 18, 76]

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

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