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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.

A128997 indices k such that A063670(k) differs from A005420(k).

Table of values

n a(n)
1 11
2 12
3 15
4 20
5 21
6 22
7 23
8 24
9 25
10 28
11 29
12 30
13 33
14 35
15 36
16 37
17 39
18 40
19 41
20 42
21 43
22 44
23 45
24 46
25 47
26 48
27 50
28 51
29 52
30 53
31 55
32 56
33 57
34 58
35 59
36 60
37 63
38 64
39 65
40 66
41 67
42 68
43 69
44 70
45 71
46 72
47 73
48 74
49 75
50 76
51 77
52 78
53 79
54 80
55 81
56 82
57 83
58 84
59 85
60 86
61 87
62 88
63 90
64 91
65 92
66 93
67 94
68 95
69 96

List of values

[11, 12, 15, 20, 21, 22, 23, 24, 25, 28, 29, 30, 33, 35, 36, 37, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 50, 51, 52, 53, 55, 56, 57, 58, 59, 60, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 90, 91, 92, 93, 94, 95, 96]

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