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.

A122352 Knuth's power tree represented by parent node number.

Table of values

n a(n)
1 0
2 1
3 2
4 2
5 3
6 3
7 5
8 4
9 6
10 5
11 10
12 6
13 10
14 7
15 10
16 8
17 16
18 9
19 14
20 10
21 14
22 11
23 13
24 12
25 15
26 13
27 18
28 14
29 28
30 15
31 28
32 16
33 17
34 17
35 21
36 18
37 36
38 19
39 26
40 20
41 40
42 21
43 40
44 22
45 30
46 23
47 42
48 24
49 48
50 25
51 48
52 26
53 52
54 27
55 44
56 28
57 38
58 29
59 31
60 30
61 56
62 31
63 42
64 32
65 64
66 33
67 66
68 34
69 46
70 35
71 57
72 36
73 37
74 37

List of values

[0, 1, 2, 2, 3, 3, 5, 4, 6, 5, 10, 6, 10, 7, 10, 8, 16, 9, 14, 10, 14, 11, 13, 12, 15, 13, 18, 14, 28, 15, 28, 16, 17, 17, 21, 18, 36, 19, 26, 20, 40, 21, 40, 22, 30, 23, 42, 24, 48, 25, 48, 26, 52, 27, 44, 28, 38, 29, 31, 30, 56, 31, 42, 32, 64, 33, 66, 34, 46, 35, 57, 36, 37, 37]

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

Content is available under The OEIS End-User License Agreement.