cp's OEIS Frontend

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.

A005375 a(0) = 0; a(n) = n - a(a(a(a(n-1)))) for n > 0.

Table of values

n a(n)
0 0
1 1
2 1
3 2
4 3
5 4
6 5
7 5
8 6
9 6
10 7
11 8
12 8
13 9
14 10
15 11
16 11
17 12
18 13
19 14
20 15
21 15
22 16
23 17
24 18
25 19
26 19
27 20
28 20
29 21
30 22
31 23
32 24
33 24
34 25
35 25
36 26
37 27
38 27
39 28
40 29
41 30
42 31
43 31
44 32
45 32
46 33
47 34
48 34
49 35
50 36
51 37
52 37
53 38
54 39
55 40
56 41
57 41
58 42
59 42
60 43
61 44
62 44
63 45
64 46
65 47
66 47
67 48
68 49
69 50
70 51
71 51
72 52
73 53

List of values

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

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

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