A209077 - cp's OEIS frontend

A209077 Number of Hamiltonian circuits (or self-avoiding rook's tours) on a 2n X 2n grid reduced for symmetry, i.e., where rotations and reflections are not counted as distinct.

n	a(n)
1	1
2	2
3	149
4	580717
5	58407763266
6	134528361351329451
7	7015812452562871283559623
8	8235314565328229583744138065519908
9	216740797236120772990979350241355889872437894
10	127557553423846099192878370713500303677609606263171680998

[1, 2, 149, 580717, 58407763266, 134528361351329451, 7015812452562871283559623, 8235314565328229583744138065519908, 216740797236120772990979350241355889872437894, 127557553423846099192878370713500303677609606263171680998]

cp's OEIS Frontend

A209077 Number of Hamiltonian circuits (or self-avoiding rook's tours) on a 2n X 2n grid reduced for symmetry, i.e., where rotations and reflections are not counted as distinct.

Table of values

List of values