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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.

A075071 n! divided by product of factorials of all proper divisors of n, as n runs through the values for which the result is an integer.

Table of values

n a(n)
1 1
2 2
3 6
4 12
5 120
6 60
7 5040
8 840
9 60480
10 15120
11 39916800
12 2310
13 6227020800
14 8648640
15 1816214400
16 10810800
17 355687428096000
18 2042040
19 121645100408832000
20 116396280
21 1689515283456000
22 14079294028800
23 25852016738884976640000

List of values

[1, 2, 6, 12, 120, 60, 5040, 840, 60480, 15120, 39916800, 2310, 6227020800, 8648640, 1816214400, 10810800, 355687428096000, 2042040, 121645100408832000, 116396280, 1689515283456000, 14079294028800, 25852016738884976640000]

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

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