A000356 - cp's OEIS frontend

A000356 Number of rooted cubic maps with 2n nodes and a distinguished Hamiltonian cycle: (2n)!(2n+1)! / (n!^2*(n+1)!(n+2)!).

n	a(n)
1	1
2	5
3	35
4	294
5	2772
6	28314
7	306735
8	3476330
9	40831076
10	493684828
11	6114096716
12	77266057400
13	993420738000
14	12964140630900
15	171393565105575
16	2291968851019650
17	30961684478686500
18	422056646314726500

[1, 5, 35, 294, 2772, 28314, 306735, 3476330, 40831076, 493684828, 6114096716, 77266057400, 993420738000, 12964140630900, 171393565105575, 2291968851019650, 30961684478686500, 422056646314726500]

cp's OEIS Frontend

A000356 Number of rooted cubic maps with 2n nodes and a distinguished Hamiltonian cycle: (2n)!(2n+1)! / (n!^2*(n+1)!(n+2)!).

Table of values

List of values