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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.

A376674 a(n) is the unique number k different from n such that the words A376637(n) and A376637(k) have the same run lengths transform.

Table of values

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

List of values

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

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

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