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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.

A316942 a(n) = n - a(pi(n)) - a(n-pi(n)) with a(1) = a(2) = 1, where pi = A000720.

Table of values

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

List of values

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

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

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