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.

A338186 Expansion of (2-6*x-12*x^2)/((1-x)^2*(1-9*x)).

Table of values

n a(n)
0 2
1 16
2 126
3 1100
4 9850
5 88584
6 797174
7 7174468
8 64570098
9 581130752
10 5230176622
11 47071589436
12 423644304746
13 3812798742520
14 34315188682470
15 308836698142004
16 2779530283277794
17 25015772549499888
18 225141952945498718
19 2026277576509488172
20 18236498188585393242
21 164128483697268538856

List of values

[2, 16, 126, 1100, 9850, 88584, 797174, 7174468, 64570098, 581130752, 5230176622, 47071589436, 423644304746, 3812798742520, 34315188682470, 308836698142004, 2779530283277794, 25015772549499888, 225141952945498718, 2026277576509488172, 18236498188585393242, 164128483697268538856]