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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.

A103774 Number of ways to write n! as product of squarefree numbers.

Table of values

n a(n)
1 1
2 1
3 2
4 2
5 6
6 10
7 42
8 42
9 82
10 204
11 1196
12 1556
13 10324
14 34668
15 104948
16 104964
17 873540
18 1309396
19 11855027
20 25238220
21 91193575
22 453628255
23 5002616219
24 5902762219
25 21142729523
26 122981607092
27 189706055368
28 547296181656
29 7291700021313
30 14330422534833
31 202498591157970

List of values

[1, 1, 2, 2, 6, 10, 42, 42, 82, 204, 1196, 1556, 10324, 34668, 104948, 104964, 873540, 1309396, 11855027, 25238220, 91193575, 453628255, 5002616219, 5902762219, 21142729523, 122981607092, 189706055368, 547296181656, 7291700021313, 14330422534833, 202498591157970]

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

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