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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.

A122978 Number of sublattices of the division lattice of divisors of n.

Table of values

n a(n)
1 1
2 3
3 3
4 7
5 3
6 12
7 3
8 15
9 7
10 12
11 3
12 37
13 3
14 12
15 12
16 31
17 3
18 37
19 3
20 37
21 12
22 12
23 3
24 103
25 7
26 12
27 15
28 37
29 3
30 73
31 3
32 63
33 12
34 12
35 12
36 146
37 3
38 12
39 12
40 103
41 3
42 73
43 3
44 37
45 37
46 12
47 3
48 271
49 7
50 37
51 12
52 37
53 3
54 103
55 12
56 103
57 12
58 12
59 3
60 319
61 3
62 12
63 37
64 127
65 12
66 73
67 3
68 37
69 12
70 73
71 3
72 505
73 3
74 12
75 37
76 37

List of values

[1, 3, 3, 7, 3, 12, 3, 15, 7, 12, 3, 37, 3, 12, 12, 31, 3, 37, 3, 37, 12, 12, 3, 103, 7, 12, 15, 37, 3, 73, 3, 63, 12, 12, 12, 146, 3, 12, 12, 103, 3, 73, 3, 37, 37, 12, 3, 271, 7, 37, 12, 37, 3, 103, 12, 103, 12, 12, 3, 319, 3, 12, 37, 127, 12, 73, 3, 37, 12, 73, 3, 505, 3, 12, 37, 37]

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