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.

A058380 Essentially series series-parallel networks with n labeled edges, multiple edges not allowed.

Table of values

n a(n)
0 0
1 0
2 1
3 1
4 13
5 66
6 796
7 8338
8 122326
9 1893748
10 34717076
11 695343144
12 15560613872
13 379211091416
14 10070672083928
15 288420300817184
16 8877044175277216
17 291944826030636000
18 10221726849956763136
19 379528960298122277536
20 14896869800297864928736

List of values

[0, 0, 1, 1, 13, 66, 796, 8338, 122326, 1893748, 34717076, 695343144, 15560613872, 379211091416, 10070672083928, 288420300817184, 8877044175277216, 291944826030636000, 10221726849956763136, 379528960298122277536, 14896869800297864928736]