A393586 Number of Hamiltonian cycles in K_{2n,2n,2n} minus a perfect matching.

3, 94944, 75950349984, 491266279475336448, 14878750986930581844249600

Offset

1,1

Links

Table of n, a(n) for n=1..5.

Eric Weisstein's World of Mathematics, Hamiltonian Cycle.

Eric Weisstein's World of Mathematics, Complete Tripartite Graph Minus Perfect Matching.

Crossrefs

Sequence in context: A151594 A119119 A164841 * A171366 A292691 A086785

Adjacent sequences: A393583 A393584 A393585 * A393587 A393588 A393589

Keyword

nonn,more

Author

Eric W. Weisstein, Feb 22 2026

Status

approved