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.

A165026 Number of n-digit numbers in a cycle (including fixed points) under the base-4 Kaprekar map A165012.

Table of values

n a(n)
1 1
2 0
3 1
4 3
5 2
6 3
7 1
8 6
9 3
10 5
11 6
12 8
13 5
14 12
15 8
16 12
17 12
18 16
19 12
20 21
21 16
22 22
23 21
24 27
25 22
26 33
27 27
28 35
29 33
30 41
31 35
32 48
33 41
34 51
35 48
36 58
37 51
38 66
39 58
40 70
41 66
42 78
43 70
44 87
45 78
46 92
47 87
48 101
49 92
50 111
51 101
52 117
53 111
54 127
55 117
56 138
57 127
58 145
59 138
60 156
61 145
62 168
63 156
64 176
65 168
66 188
67 176

List of values

[1, 0, 1, 3, 2, 3, 1, 6, 3, 5, 6, 8, 5, 12, 8, 12, 12, 16, 12, 21, 16, 22, 21, 27, 22, 33, 27, 35, 33, 41, 35, 48, 41, 51, 48, 58, 51, 66, 58, 70, 66, 78, 70, 87, 78, 92, 87, 101, 92, 111, 101, 117, 111, 127, 117, 138, 127, 145, 138, 156, 145, 168, 156, 176, 168, 188, 176]

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

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