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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.

A257885 Sequence (a(n)) generated by Algorithm (in Comments) with a(1) = 0 and d(1) = 2.

Table of values

n a(n)
1 0
2 1
3 4
4 2
5 6
6 3
7 8
8 7
9 13
10 5
11 12
12 20
13 9
14 18
15 11
16 21
17 15
18 10
19 22
20 33
21 14
22 27
23 17
24 31
25 16
26 32
27 19
28 34
29 25
30 42
31 24
32 43
33 23
34 41
35 29
36 49
37 26
38 47
39 30
40 52
41 28
42 51
43 35
44 59
45 37
46 62
47 36
48 63
49 38
50 64
51 50
52 46
53 74
54 39
55 68
56 40
57 70
58 101
59 44
60 76
61 45
62 78
63 48
64 82
65 53
66 88
67 54

List of values

[0, 1, 4, 2, 6, 3, 8, 7, 13, 5, 12, 20, 9, 18, 11, 21, 15, 10, 22, 33, 14, 27, 17, 31, 16, 32, 19, 34, 25, 42, 24, 43, 23, 41, 29, 49, 26, 47, 30, 52, 28, 51, 35, 59, 37, 62, 36, 63, 38, 64, 50, 46, 74, 39, 68, 40, 70, 101, 44, 76, 45, 78, 48, 82, 53, 88, 54]

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

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