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.

A199670 E.g.f.: d/dx Series_Reversion( Sum_{n>=0} (-x)^(3*n)/(3*n)! - exp(-x) ).

Table of values

n a(n)
0 1
1 1
2 3
3 16
4 119
5 1134
6 13201
7 181594
8 2882061
9 51836302
10 1041959555
11 23148374886
12 563234624575
13 14895783741202
14 425457081218169
15 13052033357204842
16 428016906877603589
17 14941465218939490686
18 553193807213161191259
19 21651761774465075118502
20 893244763931287659927399

List of values

[1, 1, 3, 16, 119, 1134, 13201, 181594, 2882061, 51836302, 1041959555, 23148374886, 563234624575, 14895783741202, 425457081218169, 13052033357204842, 428016906877603589, 14941465218939490686, 553193807213161191259, 21651761774465075118502, 893244763931287659927399]