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.

A180491 Product of remainders of n mod k, for k = 2,3,4,...,n-1.

Table of values

n a(n)
1 1
2 1
3 1
4 0
5 2
6 0
7 6
8 0
9 0
10 0
11 720
12 0
13 2160
14 0
15 0
16 0
17 2419200
18 0
19 65318400
20 0
21 0
22 0
23 754427520000
24 0
25 0
26 0
27 0
28 0
29 32953394073600000
30 0
31 311409573995520000
32 0
33 0
34 0
35 0
36 0
37 37269497815783833600000
38 0
39 0
40 0
41 7890485108998805913600000000
42 0

List of values

[1, 1, 1, 0, 2, 0, 6, 0, 0, 0, 720, 0, 2160, 0, 0, 0, 2419200, 0, 65318400, 0, 0, 0, 754427520000, 0, 0, 0, 0, 0, 32953394073600000, 0, 311409573995520000, 0, 0, 0, 0, 0, 37269497815783833600000, 0, 0, 0, 7890485108998805913600000000, 0]