A300513 Number of (undirected) Hamiltonian cycles in the n-polygon diagonal intersection graph.

1, 4, 56, 3900, 16015496, 140897335664, 4437432714568987812822

Offset

3,2

Links

Table of n, a(n) for n=3..9.

Eric Weisstein's World of Mathematics, Hamiltonian Cycle

Eric Weisstein's World of Mathematics, Polygon Diagonal Intersection Graph

Crossrefs

Cf. A294992, A300525, A300551.

Sequence in context: A113113 A186252 A158262 * A089035 A327145 A089516

Adjacent sequences: A300510 A300511 A300512 * A300514 A300515 A300516

Keyword

nonn,more

Author

Eric W. Weisstein, Mar 08 2018

Extensions

a(8)-a(9) from Andrew Howroyd, Mar 11 2018

Status

approved