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.

A052674 Expansion of e.g.f. (1-x)/(1-3*x-2*x^2+2*x^3).

Table of values

n a(n)
0 1
1 2
2 16
3 156
4 2160
5 36720
6 753120
7 17992800
8 491500800
9 15102339840
10 515630707200
11 19365156518400
12 793401964185600
13 35214960849868800
14 1683239666985676800
15 86204093846846976000
16 4709107007890661376000
17 273324248772505362432000
18 16797372435596048744448000

List of values

[1, 2, 16, 156, 2160, 36720, 753120, 17992800, 491500800, 15102339840, 515630707200, 19365156518400, 793401964185600, 35214960849868800, 1683239666985676800, 86204093846846976000, 4709107007890661376000, 273324248772505362432000, 16797372435596048744448000]