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.

A193995 Maximum number of terms required to determine whether a number is happy or not (A007770 or A031177).

Table of values

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

List of values

[1, 9, 13, 8, 12, 17, 6, 13, 12, 2, 10, 13, 3, 14, 11, 8, 13, 11, 5, 8, 13, 14, 4, 9, 11, 10, 14, 4, 10, 13, 3, 4, 12, 12, 13, 16, 8, 10, 13, 9, 14, 8, 12, 5, 15, 12, 11, 14, 5, 12, 11, 11, 13, 15, 13, 10, 12, 8, 10, 17, 9, 10, 16, 12, 10, 15, 10, 3, 13, 6]

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

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