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.

A214624 Braid numbers B((2)^n->(2)^n).

Table of values

n a(n)
0 1
1 1
2 16
3 504
4 28800
5 2620800
6 348364800
7 63707212800
8 15343379251200
9 4707627724800000
10 1792664637603840000
11 829619584788234240000
12 458592296933263933440000
13 298435681233688170332160000
14 225843218230899155927040000000
15 196652982274555440023470080000000

List of values

[1, 1, 16, 504, 28800, 2620800, 348364800, 63707212800, 15343379251200, 4707627724800000, 1792664637603840000, 829619584788234240000, 458592296933263933440000, 298435681233688170332160000, 225843218230899155927040000000, 196652982274555440023470080000000]