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.

A068398 Number of digits in (2^n)*(n!).

Table of values

n a(n)
0 1
1 1
2 1
3 2
4 3
5 4
6 5
7 6
8 8
9 9
10 10
11 11
12 13
13 14
14 16
15 17
16 19
17 20
18 22
19 23
20 25
21 27
22 28
23 30
24 32
25 33
26 35
27 37
28 38
29 40
30 42
31 44
32 46
33 47
34 49
35 51
36 53
37 55
38 57
39 59
40 60
41 62
42 64
43 66
44 68
45 70
46 72
47 74
48 76
49 78
50 80
51 82
52 84
53 86
54 88
55 90
56 92
57 94
58 96
59 98
60 100
61 103
62 105
63 107
64 109
65 111
66 113
67 115
68 117
69 120

List of values

[1, 1, 1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 13, 14, 16, 17, 19, 20, 22, 23, 25, 27, 28, 30, 32, 33, 35, 37, 38, 40, 42, 44, 46, 47, 49, 51, 53, 55, 57, 59, 60, 62, 64, 66, 68, 70, 72, 74, 76, 78, 80, 82, 84, 86, 88, 90, 92, 94, 96, 98, 100, 103, 105, 107, 109, 111, 113, 115, 117, 120]

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

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