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.

A306762 Smallest integer k such that Sum_(i=1..k) lambda(i) is divisible by n, where lambda(i) is the Carmichael lambda function.

Table of values

n a(n)
1 1
2 2
3 4
4 3
5 5
6 4
7 12
8 11
9 7
10 5
11 49
12 6
13 9
14 12
15 10
16 15
17 16
18 7
19 24
20 8
21 12
22 49
23 26
24 30
25 23
26 9
27 13
28 17
29 55
30 10
31 58
32 15
33 71
34 16
35 44
36 19
37 169
38 24
39 100
40 11
41 48
42 12
43 25
44 49
45 18
46 26
47 38
48 30
49 40
50 23
51 164
52 28
53 50
54 13
55 141
56 20
57 47
58 55
59 21
60 14
61 80
62 58
63 192
64 15
65 110
66 71
67 76

List of values

[1, 2, 4, 3, 5, 4, 12, 11, 7, 5, 49, 6, 9, 12, 10, 15, 16, 7, 24, 8, 12, 49, 26, 30, 23, 9, 13, 17, 55, 10, 58, 15, 71, 16, 44, 19, 169, 24, 100, 11, 48, 12, 25, 49, 18, 26, 38, 30, 40, 23, 164, 28, 50, 13, 141, 20, 47, 55, 21, 14, 80, 58, 192, 15, 110, 71, 76]

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

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