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.

A074898 Impossible values for sum of anti-divisors of n.

Table of values

n a(n)
1 1
2 6
3 7
4 9
5 11
6 15
7 17
8 20
9 21
10 25
11 26
12 27
13 29
14 31
15 33
16 35
17 37
18 38
19 43
20 44
21 45
22 47
23 49
24 51
25 53
26 59
27 61
28 62
29 63
30 65
31 67
32 68
33 69
34 71
35 73
36 75
37 77
38 79
39 81
40 82
41 83
42 85
43 87
44 89
45 91
46 93
47 95
48 97
49 99
50 100
51 103
52 105
53 109
54 111
55 113
56 115
57 117
58 119
59 120
60 121
61 123
62 125
63 127
64 128
65 129
66 131
67 133
68 134
69 135
70 137
71 139
72 141
73 143
74 145
75 146
76 149
77 151
78 153
79 155
80 157
81 158
82 159
83 161
84 163
85 165
86 167
87 168
88 169
89 170
90 171

List of values

[1, 6, 7, 9, 11, 15, 17, 20, 21, 25, 26, 27, 29, 31, 33, 35, 37, 38, 43, 44, 45, 47, 49, 51, 53, 59, 61, 62, 63, 65, 67, 68, 69, 71, 73, 75, 77, 79, 81, 82, 83, 85, 87, 89, 91, 93, 95, 97, 99, 100, 103, 105, 109, 111, 113, 115, 117, 119, 120, 121, 123, 125, 127, 128, 129, 131, 133, 134, 135, 137, 139, 141, 143, 145, 146, 149, 151, 153, 155, 157, 158, 159, 161, 163, 165, 167, 168, 169, 170, 171]