A110039 - cp's OEIS frontend

A110039 Number of 3-regular labeled graphs on 2n vertices with no multiple edges, but loops are allowed. (3-regular = trivalent and a loop incident on a vertex counts as two edges.)

n	a(n)
0	1
1	1
2	8
3	730
4	188790
5	102737670
6	102172297920
7	167870491048260
8	423971126389110300
9	1559445481095305703900
10	8010574937878696134151200
11	55572909620219147733302926200
12	506607333530572584517841616582600
13	5931728848766374810152582924943605000

[1, 1, 8, 730, 188790, 102737670, 102172297920, 167870491048260, 423971126389110300, 1559445481095305703900, 8010574937878696134151200, 55572909620219147733302926200, 506607333530572584517841616582600, 5931728848766374810152582924943605000]

cp's OEIS Frontend

A110039 Number of 3-regular labeled graphs on 2n vertices with no multiple edges, but loops are allowed. (3-regular = trivalent and a loop incident on a vertex counts as two edges.)

Table of values

List of values