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.

A138343 Count of post-period decimal digits up to which the rounded n-th convergent to Pi agrees with the exact value.

Table of values

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

List of values

[0, 2, 3, 6, 8, 9, 8, 10, 10, 11, 11, 13, 15, 15, 16, 15, 17, 17, 18, 19, 20, 23, 24, 23, 26, 27, 29, 30, 29, 31, 33, 34, 37, 39, 39, 40, 42, 43, 44, 45, 45, 47, 46, 49, 49, 51, 52, 52, 54, 55, 56, 55, 56, 57, 59, 58, 59, 60, 61, 61, 63, 64, 64, 65, 65, 66, 67, 67, 68, 69, 70, 71, 72, 72]

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

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