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.

A223889 The number of connected components of size > 1 over all simple labeled graphs on n nodes.

Table of values

n a(n)
0 0
1 0
2 1
3 7
4 66
5 1078
6 33812
7 2124864
8 269617328
9 68809824944
10 35197776962400
11 36032789666289920
12 73789365506598519808
13 302234307608870314427904
14 2475886847109430725963593728
15 40564851077856428731075010538496

List of values

[0, 0, 1, 7, 66, 1078, 33812, 2124864, 269617328, 68809824944, 35197776962400, 36032789666289920, 73789365506598519808, 302234307608870314427904, 2475886847109430725963593728, 40564851077856428731075010538496]