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.

A274793 Numbers not in the range of the sum of odd divisors function.

Table of values

n a(n)
1 2
2 3
3 5
4 7
5 9
6 10
7 11
8 15
9 16
10 17
11 19
12 21
13 22
14 23
15 25
16 26
17 27
18 28
19 29
20 33
21 34
22 35
23 36
24 37
25 39
26 41
27 43
28 45
29 46
30 47
31 49
32 50
33 51
34 52
35 53
36 55
37 58
38 59
39 61
40 63
41 64
42 65
43 66
44 67
45 69
46 70
47 71
48 73
49 75
50 76
51 77
52 79
53 81
54 82
55 83
56 85
57 86
58 87
59 88
60 89
61 91
62 92
63 93
64 94
65 95
66 97
67 99
68 100

List of values

[2, 3, 5, 7, 9, 10, 11, 15, 16, 17, 19, 21, 22, 23, 25, 26, 27, 28, 29, 33, 34, 35, 36, 37, 39, 41, 43, 45, 46, 47, 49, 50, 51, 52, 53, 55, 58, 59, 61, 63, 64, 65, 66, 67, 69, 70, 71, 73, 75, 76, 77, 79, 81, 82, 83, 85, 86, 87, 88, 89, 91, 92, 93, 94, 95, 97, 99, 100]

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

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