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.

A060593 a(n) is the number of ways that a cycle of length 2n+1 in the symmetric group S_(2n+1) can be decomposed as the product of two cycles of length 2n+1.

Table of values

n a(n)
0 1
1 1
2 8
3 180
4 8064
5 604800
6 68428800
7 10897286400
8 2324754432000
9 640237370572800
10 221172909834240000
11 93666727314800640000
12 47726800133326110720000
13 28806532937614688256000000
14 20325889640780924033433600000
15 16578303738261941164769280000000

List of values

[1, 1, 8, 180, 8064, 604800, 68428800, 10897286400, 2324754432000, 640237370572800, 221172909834240000, 93666727314800640000, 47726800133326110720000, 28806532937614688256000000, 20325889640780924033433600000, 16578303738261941164769280000000]