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.

A290013 Length of the period of the continued fraction expansion of phi/n where phi is the golden ratio.

Table of values

n a(n)
1 1
2 1
3 2
4 2
5 1
6 6
7 2
8 2
9 6
10 5
11 4
12 4
13 1
14 10
15 8
16 4
17 3
18 2
19 8
20 14
21 2
22 12
23 10
24 4
25 11
26 5
27 14
28 10
29 4
30 28
31 8
32 8
33 8
34 1
35 20
36 2
37 7
38 4
39 8
40 14
41 6
42 6
43 18
44 8
45 24
46 6
47 2
48 4
49 22
50 31
51 12
52 14
53 9
54 10
55 2
56 12
57 16
58 12
59 20
60 20
61 5
62 8
63 8
64 20
65 13
66 20
67 22
68 2
69 10
70 52
71 28
72 2
73 15
74 19
75 36
76 4

List of values

[1, 1, 2, 2, 1, 6, 2, 2, 6, 5, 4, 4, 1, 10, 8, 4, 3, 2, 8, 14, 2, 12, 10, 4, 11, 5, 14, 10, 4, 28, 8, 8, 8, 1, 20, 2, 7, 4, 8, 14, 6, 6, 18, 8, 24, 6, 2, 4, 22, 31, 12, 14, 9, 10, 2, 12, 16, 12, 20, 20, 5, 8, 8, 20, 13, 20, 22, 2, 10, 52, 28, 2, 15, 19, 36, 4]

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

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