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.

A293191 a(n) = n! * [x^n] exp(n*arcsin(x)).

Table of values

n a(n)
0 1
1 1
2 4
3 30
4 320
5 4420
6 74880
7 1502200
8 34816000
9 915267600
10 26907545600
11 874679634400
12 31150846771200
13 1206169954600000
14 50449154129920000
15 2266730426366640000
16 108883850653859840000
17 5568313898902866592000
18 302047359993635143680000
19 17321727685903810436800000

List of values

[1, 1, 4, 30, 320, 4420, 74880, 1502200, 34816000, 915267600, 26907545600, 874679634400, 31150846771200, 1206169954600000, 50449154129920000, 2266730426366640000, 108883850653859840000, 5568313898902866592000, 302047359993635143680000, 17321727685903810436800000]