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.

A007843 Least positive integer k for which 2^n divides k!.

Table of values

n a(n)
0 1
1 2
2 4
3 4
4 6
5 8
6 8
7 8
8 10
9 12
10 12
11 14
12 16
13 16
14 16
15 16
16 18
17 20
18 20
19 22
20 24
21 24
22 24
23 26
24 28
25 28
26 30
27 32
28 32
29 32
30 32
31 32
32 34
33 36
34 36
35 38
36 40
37 40
38 40
39 42
40 44
41 44
42 46
43 48
44 48
45 48
46 48
47 50
48 52
49 52
50 54
51 56
52 56
53 56
54 58
55 60
56 60
57 62
58 64
59 64
60 64
61 64
62 64
63 64
64 66
65 68
66 68
67 70
68 72
69 72
70 72
71 74
72 76
73 76
74 78

List of values

[1, 2, 4, 4, 6, 8, 8, 8, 10, 12, 12, 14, 16, 16, 16, 16, 18, 20, 20, 22, 24, 24, 24, 26, 28, 28, 30, 32, 32, 32, 32, 32, 34, 36, 36, 38, 40, 40, 40, 42, 44, 44, 46, 48, 48, 48, 48, 50, 52, 52, 54, 56, 56, 56, 58, 60, 60, 62, 64, 64, 64, 64, 64, 64, 66, 68, 68, 70, 72, 72, 72, 74, 76, 76, 78]

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

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