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.

A155891 Least positive integer such that a(n)! starts with n, both written in binary.

Table of values

n a(n)
1 1
2 2
3 3
4 7
5 6
6 3
7 5
8 20
9 7
10 14
11 6
12 4
13 10
14 12
15 5
16 20
17 27
18 50
19 7
20 14
21 23
22 6
23 13
24 4
25 25
26 30
27 10
28 12
29 51
30 5
31 63
32 24
33 20
34 36
35 27
36 50
37 59
38 11
39 7
40 14
41 26
42 75
43 23
44 9
45 6
46 13
47 49
48 71
49 144
50 31
51 25
52 30
53 199
54 19
55 10
56 46
57 12
58 51
59 83
60 5
61 28
62 73
63 63
64 62
65 24
66 54
67 20
68 36
69 67
70 27
71 40
72 74
73 50
74 59
75 124

List of values

[1, 2, 3, 7, 6, 3, 5, 20, 7, 14, 6, 4, 10, 12, 5, 20, 27, 50, 7, 14, 23, 6, 13, 4, 25, 30, 10, 12, 51, 5, 63, 24, 20, 36, 27, 50, 59, 11, 7, 14, 26, 75, 23, 9, 6, 13, 49, 71, 144, 31, 25, 30, 199, 19, 10, 46, 12, 51, 83, 5, 28, 73, 63, 62, 24, 54, 20, 36, 67, 27, 40, 74, 50, 59, 124]

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

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