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.

A247983 Least number k such that log(2) - sum{1/(h*2^h), h=1..k} < 1/2^n.

Table of values

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

List of values

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

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

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