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.

A084407 Number of decimal places to which the n-th convergent of continued fraction expansion of Pi matches with the correct value.

Table of values

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

List of values

[0, 2, 4, 6, 9, 9, 9, 9, 11, 10, 12, 12, 14, 15, 15, 16, 17, 17, 18, 19, 21, 23, 24, 24, 25, 27, 29, 30, 30, 32, 33, 34, 37, 39, 40, 40, 41, 42, 44, 45, 45, 46, 47, 49, 50, 51, 51, 53, 54, 55, 55, 56, 56, 58, 59, 59, 60, 60, 61, 60, 62, 64, 63, 64, 65, 65, 67, 67, 68, 70, 69, 71]

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

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