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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.

A316434 a(n) = a(pi(n)) + a(n-pi(n)) with a(1) = a(2) = 1.

Table of values

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

List of values

[1, 1, 2, 2, 3, 4, 4, 4, 5, 6, 7, 7, 8, 8, 9, 10, 10, 11, 11, 11, 12, 12, 13, 14, 15, 15, 16, 16, 17, 17, 18, 19, 19, 20, 21, 22, 22, 22, 23, 23, 24, 25, 25, 25, 26, 27, 28, 28, 29, 30, 31, 31, 32, 32, 33, 33, 34, 35, 35, 35, 36, 36, 37, 38, 39, 39, 39, 40, 41, 42, 42, 42, 43, 44, 44]

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