A256286 - cp's OEIS frontend

A256286 Number of Hamiltonian cycles in a tournament on 3n vertices constructed by taking 3 copies of a transitive tournament on n vertices and placing each copy on a vertex of a directed 3-cycle, with all edges between the copies oriented in the direction of the cycle.

n	a(n)
1	1
2	5
3	181
4	20381
5	4940101
6	2230319165
7	1692864345061
8	1997649164976701
9	3461226344139932101
10	8430034728440212411325
11	27875832970537774479832741
12	121651171242426267003975420221
13	684351364639262056751911086836101
14	4865203490721997132612204548628407485

[1, 5, 181, 20381, 4940101, 2230319165, 1692864345061, 1997649164976701, 3461226344139932101, 8430034728440212411325, 27875832970537774479832741, 121651171242426267003975420221, 684351364639262056751911086836101, 4865203490721997132612204548628407485]

cp's OEIS Frontend

A256286 Number of Hamiltonian cycles in a tournament on 3n vertices constructed by taking 3 copies of a transitive tournament on n vertices and placing each copy on a vertex of a directed 3-cycle, with all edges between the copies oriented in the direction of the cycle.

Table of values

List of values