A322152 - cp's OEIS frontend

A322152 Number of labeled connected multigraphs with loops with n edges (the vertices are {1,2,...,k} for some k).

n	a(n)
0	1
1	2
2	7
3	39
4	314
5	3359
6	45000
7	725269
8	13670256
9	295099184
10	7179749707
11	194399095705
12	5797793490859
13	188855813757729
14	6671188010874785
15	254007814638737649
16	10370334196814589256
17	451923738493729293016
18	20937747226064522726151
19	1027666505638118490940059

[1, 2, 7, 39, 314, 3359, 45000, 725269, 13670256, 295099184, 7179749707, 194399095705, 5797793490859, 188855813757729, 6671188010874785, 254007814638737649, 10370334196814589256, 451923738493729293016, 20937747226064522726151, 1027666505638118490940059]

cp's OEIS Frontend

A322152 Number of labeled connected multigraphs with loops with n edges (the vertices are {1,2,...,k} for some k).

Table of values

List of values