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.

A052672 Expansion of e.g.f. (1-x)/(1-x-2*x^2+x^3).

Table of values

n a(n)
0 1
1 0
2 4
3 6
4 120
5 600
6 10080
7 95760
8 1693440
9 23950080
10 475372800
11 8821612800
12 199743667200
13 4533271142400
14 116906088499200
15 3112264995840000
16 90679371374592000
17 2757644630028288000
18 89895729202126848000

List of values

[1, 0, 4, 6, 120, 600, 10080, 95760, 1693440, 23950080, 475372800, 8821612800, 199743667200, 4533271142400, 116906088499200, 3112264995840000, 90679371374592000, 2757644630028288000, 89895729202126848000]

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

Content is available under The OEIS End-User License Agreement.