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.

A133686 Number of labeled n-node graphs with at most one cycle in each connected component.

Table of values

n a(n)
0 1
1 1
2 2
3 8
4 57
5 608
6 8524
7 145800
8 2918123
9 66617234
10 1704913434
11 48300128696
12 1499864341015
13 50648006463048
14 1847622972848648
15 72406232075624192
16 3033607843748296089
17 135313823447621913500
18 6402077421524339766058
19 320237988317922139148736

List of values

[1, 1, 2, 8, 57, 608, 8524, 145800, 2918123, 66617234, 1704913434, 48300128696, 1499864341015, 50648006463048, 1847622972848648, 72406232075624192, 3033607843748296089, 135313823447621913500, 6402077421524339766058, 320237988317922139148736]