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.

A366539 The sum of unitary divisors of the exponentially 2^n-numbers (A138302).

Table of values

n a(n)
1 1
2 3
3 4
4 5
5 6
6 12
7 8
8 10
9 18
10 12
11 20
12 14
13 24
14 24
15 17
16 18
17 30
18 20
19 30
20 32
21 36
22 24
23 26
24 42
25 40
26 30
27 72
28 32
29 48
30 54
31 48
32 50
33 38
34 60
35 56
36 42
37 96
38 44
39 60
40 60
41 72
42 48
43 68
44 50
45 78
46 72
47 70
48 54
49 72
50 80
51 90
52 60
53 120
54 62
55 96
56 80
57 84
58 144
59 68
60 90
61 96
62 144
63 72
64 74
65 114
66 104

List of values

[1, 3, 4, 5, 6, 12, 8, 10, 18, 12, 20, 14, 24, 24, 17, 18, 30, 20, 30, 32, 36, 24, 26, 42, 40, 30, 72, 32, 48, 54, 48, 50, 38, 60, 56, 42, 96, 44, 60, 60, 72, 48, 68, 50, 78, 72, 70, 54, 72, 80, 90, 60, 120, 62, 96, 80, 84, 144, 68, 90, 96, 144, 72, 74, 114, 104]

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

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