cp's OEIS Frontend

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.

A072513 Product of all n - d, where d < n and d is a divisor of n.

Table of values

n a(n)
1 1
2 1
3 2
4 6
5 4
6 60
7 6
8 168
9 48
10 360
11 10
12 47520
13 12
14 1092
15 1680
16 20160
17 16
18 440640
19 18
20 820800
21 5040
22 4620
23 22
24 734469120
25 480
26 7800
27 11232
28 4953312
29 28
30 3946320000
31 30
32 9999360
33 21120
34 17952
35 28560
36 439723468800
37 36
38 25308
39 35568
40 35852544000

List of values

[1, 1, 2, 6, 4, 60, 6, 168, 48, 360, 10, 47520, 12, 1092, 1680, 20160, 16, 440640, 18, 820800, 5040, 4620, 22, 734469120, 480, 7800, 11232, 4953312, 28, 3946320000, 30, 9999360, 21120, 17952, 28560, 439723468800, 36, 25308, 35568, 35852544000]