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.

A052887 Expansion of e.g.f.: exp(x^2/(1 - x)^2).

Table of values

n a(n)
0 1
1 0
2 2
3 12
4 84
5 720
6 7320
7 85680
8 1130640
9 16571520
10 266747040
11 4673592000
12 88476252480
13 1798674958080
14 39061703640960
15 902110060051200
16 22068313153286400
17 569874634276147200
18 15486794507222438400
19 441703937156940057600
20 13189422568491333964800
21 411420697666247453184000

List of values

[1, 0, 2, 12, 84, 720, 7320, 85680, 1130640, 16571520, 266747040, 4673592000, 88476252480, 1798674958080, 39061703640960, 902110060051200, 22068313153286400, 569874634276147200, 15486794507222438400, 441703937156940057600, 13189422568491333964800, 411420697666247453184000]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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