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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.

A053021 Number of divisors function applied twice to n!.

Table of values

n a(n)
1 1
2 2
3 3
4 4
5 5
6 8
7 12
8 12
9 12
10 16
11 24
12 24
13 30
14 30
15 42
16 36
17 40
18 48
19 56
20 80
21 48
22 72
23 80
24 112
25 112
26 144
27 120
28 216
29 252
30 168
31 189
32 168
33 80
34 224
35 168
36 288
37 320
38 121
39 192
40 440
41 480
42 384
43 408
44 624
45 792
46 864
47 960
48 1152
49 864
50 728
51 504
52 780
53 840
54 1080
55 960
56 840
57 972

List of values

[1, 2, 3, 4, 5, 8, 12, 12, 12, 16, 24, 24, 30, 30, 42, 36, 40, 48, 56, 80, 48, 72, 80, 112, 112, 144, 120, 216, 252, 168, 189, 168, 80, 224, 168, 288, 320, 121, 192, 440, 480, 384, 408, 624, 792, 864, 960, 1152, 864, 728, 504, 780, 840, 1080, 960, 840, 972]

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

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