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.

A025527 a(n) = n!/lcm{1,2,...,n} = (n-1)!/lcm{C(n-1,0), C(n-1,1), ..., C(n-1,n-1)}.

Table of values

n a(n)
1 1
2 1
3 1
4 2
5 2
6 12
7 12
8 48
9 144
10 1440
11 1440
12 17280
13 17280
14 241920
15 3628800
16 29030400
17 29030400
18 522547200
19 522547200
20 10450944000
21 219469824000
22 4828336128000
23 4828336128000
24 115880067072000
25 579400335360000
26 15064408719360000

List of values

[1, 1, 1, 2, 2, 12, 12, 48, 144, 1440, 1440, 17280, 17280, 241920, 3628800, 29030400, 29030400, 522547200, 522547200, 10450944000, 219469824000, 4828336128000, 4828336128000, 115880067072000, 579400335360000, 15064408719360000]