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.

A248607 Least k such that Pi/2 - sum{2^h/((2h+1)*C(2h,h)), h = 1..k} < 1/3^n.

Table of values

n a(n)
1 1
2 2
3 4
4 5
5 7
6 8
7 10
8 11
9 13
10 14
11 16
12 17
13 19
14 20
15 22
16 23
17 25
18 26
19 28
20 30
21 31
22 33
23 34
24 36
25 37
26 39
27 40
28 42
29 44
30 45
31 47
32 48
33 50
34 51
35 53
36 54
37 56
38 58
39 59
40 61
41 62
42 64
43 65
44 67
45 69
46 70
47 72
48 73
49 75
50 76
51 78
52 80
53 81
54 83
55 84
56 86
57 87
58 89
59 91
60 92
61 94
62 95
63 97
64 98
65 100
66 102

List of values

[1, 2, 4, 5, 7, 8, 10, 11, 13, 14, 16, 17, 19, 20, 22, 23, 25, 26, 28, 30, 31, 33, 34, 36, 37, 39, 40, 42, 44, 45, 47, 48, 50, 51, 53, 54, 56, 58, 59, 61, 62, 64, 65, 67, 69, 70, 72, 73, 75, 76, 78, 80, 81, 83, 84, 86, 87, 89, 91, 92, 94, 95, 97, 98, 100, 102]

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

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