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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.

A080677 a(n) = n + 1 - A004001(n).

Table of values

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

List of values

[1, 2, 2, 3, 3, 3, 4, 5, 5, 5, 5, 6, 6, 7, 8, 9, 9, 9, 9, 9, 10, 10, 10, 11, 11, 12, 13, 13, 14, 15, 16, 17, 17, 17, 17, 17, 17, 18, 18, 18, 18, 19, 19, 19, 20, 20, 21, 22, 22, 22, 23, 23, 24, 25, 25, 26, 27, 28, 28, 29, 30, 31, 32, 33, 33, 33, 33, 33, 33, 33, 34, 34, 34, 34, 34, 35, 35, 35]

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