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.

A006607 Number of labeled connected rooted trivalent graphs with 2n nodes.

Table of values

n a(n)
1 0
2 4
3 120
4 33600
5 18446400
6 18361728000
7 30199104936000
8 76326119565696000
9 280889824362219072000
10 1443428429045578335360000
11 10016498030869925136622080000
12 91330153089556497015273454080000

List of values

[0, 4, 120, 33600, 18446400, 18361728000, 30199104936000, 76326119565696000, 280889824362219072000, 1443428429045578335360000, 10016498030869925136622080000, 91330153089556497015273454080000]