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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.

A331973 a(n) is the number of values of m such that the sum of proper infinitary divisors of m (A126168) is n.

Table of values

n a(n)
2 0
3 0
4 0
5 0
6 1
7 1
8 2
9 1
10 2
11 1
12 2
13 2
14 2
15 2
16 2
17 3
18 1
19 3
20 2
21 4
22 3
23 3
24 2
25 3
26 2
27 3
28 3
29 4
30 2
31 4
32 1
33 4
34 3
35 4
36 3
37 5
38 0
39 3
40 2
41 4
42 3
43 5
44 1
45 4
46 3
47 4
48 2
49 6
50 2
51 5
52 2
53 5
54 3
55 7
56 1
57 6
58 2
59 4
60 2
61 7
62 1
63 5
64 4
65 5
66 3
67 8
68 0
69 5
70 2
71 6
72 1
73 8
74 2
75 5
76 4
77 6
78 4
79 9
80 0
81 6
82 1
83 5
84 3
85 10
86 2
87 8
88 2

List of values

[0, 0, 0, 0, 1, 1, 2, 1, 2, 1, 2, 2, 2, 2, 2, 3, 1, 3, 2, 4, 3, 3, 2, 3, 2, 3, 3, 4, 2, 4, 1, 4, 3, 4, 3, 5, 0, 3, 2, 4, 3, 5, 1, 4, 3, 4, 2, 6, 2, 5, 2, 5, 3, 7, 1, 6, 2, 4, 2, 7, 1, 5, 4, 5, 3, 8, 0, 5, 2, 6, 1, 8, 2, 5, 4, 6, 4, 9, 0, 6, 1, 5, 3, 10, 2, 8, 2]