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.

A007429 Inverse Moebius transform applied twice to natural numbers.

Table of values

n a(n)
1 1
2 4
3 5
4 11
5 7
6 20
7 9
8 26
9 18
10 28
11 13
12 55
13 15
14 36
15 35
16 57
17 19
18 72
19 21
20 77
21 45
22 52
23 25
24 130
25 38
26 60
27 58
28 99
29 31
30 140
31 33
32 120
33 65
34 76
35 63
36 198
37 39
38 84
39 75
40 182
41 43
42 180
43 45
44 143
45 126
46 100
47 49
48 285
49 66
50 152
51 95
52 165
53 55
54 232
55 91
56 234
57 105
58 124
59 61
60 385
61 63
62 132
63 162
64 247
65 105
66 260

List of values

[1, 4, 5, 11, 7, 20, 9, 26, 18, 28, 13, 55, 15, 36, 35, 57, 19, 72, 21, 77, 45, 52, 25, 130, 38, 60, 58, 99, 31, 140, 33, 120, 65, 76, 63, 198, 39, 84, 75, 182, 43, 180, 45, 143, 126, 100, 49, 285, 66, 152, 95, 165, 55, 232, 91, 234, 105, 124, 61, 385, 63, 132, 162, 247, 105, 260]

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

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