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.

A126917 a(1)=1. a(n) = the (largest proper divisor of n)th integer from among those positive integers not occurring earlier in the sequence.

Table of values

n a(n)
1 1
2 2
3 3
4 5
5 4
6 8
7 6
8 11
9 10
10 14
11 7
12 17
13 9
14 20
15 18
16 23
17 12
18 26
19 13
20 29
21 25
22 32
23 15
24 35
25 24
26 38
27 33
28 41
29 16
30 44
31 19
32 47
33 40
34 50
35 34
36 53
37 21
38 56
39 48
40 59
41 22
42 62
43 27
44 65
45 55
46 68
47 28
48 71
49 43
50 74
51 63
52 77
53 30
54 80
55 54
56 83
57 70
58 86
59 31
60 89
61 36
62 92
63 78
64 95
65 64
66 98
67 37
68 101
69 85
70 104
71 39

List of values

[1, 2, 3, 5, 4, 8, 6, 11, 10, 14, 7, 17, 9, 20, 18, 23, 12, 26, 13, 29, 25, 32, 15, 35, 24, 38, 33, 41, 16, 44, 19, 47, 40, 50, 34, 53, 21, 56, 48, 59, 22, 62, 27, 65, 55, 68, 28, 71, 43, 74, 63, 77, 30, 80, 54, 83, 70, 86, 31, 89, 36, 92, 78, 95, 64, 98, 37, 101, 85, 104, 39]

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

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