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.

A367939 Expansion of e.g.f. exp(exp(4*x) - 1 - 2*x).

Table of values

n a(n)
0 1
1 2
2 20
3 168
4 1936
5 25376
6 378688
7 6284928
8 114471168
9 2263605760
10 48192279552
11 1097180784640
12 26562251100160
13 680591327567872
14 18381995707154432
15 521521320660205568
16 15495495061984051200
17 480873815489757970432
18 15549555768325162926080
19 522810678067316117733376

List of values

[1, 2, 20, 168, 1936, 25376, 378688, 6284928, 114471168, 2263605760, 48192279552, 1097180784640, 26562251100160, 680591327567872, 18381995707154432, 521521320660205568, 15495495061984051200, 480873815489757970432, 15549555768325162926080, 522810678067316117733376]