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.

A052845 Expansion of e.g.f.: exp(x^2/(1-x)).

Table of values

n a(n)
0 1
1 0
2 2
3 6
4 36
5 240
6 1920
7 17640
8 183120
9 2116800
10 26943840
11 374220000
12 5628934080
13 91122071040
14 1579034096640
15 29155689763200
16 571308920582400
17 11838533804697600
18 258608278645516800
19 5938673374272038400
20 143003892952893772800
21 3602735624977961472000

List of values

[1, 0, 2, 6, 36, 240, 1920, 17640, 183120, 2116800, 26943840, 374220000, 5628934080, 91122071040, 1579034096640, 29155689763200, 571308920582400, 11838533804697600, 258608278645516800, 5938673374272038400, 143003892952893772800, 3602735624977961472000]