A158663 - OEIS

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A158663

Number of directed Hamiltonian cycles on the n X n queen graph.

3

6, 3920, 804728540, 79483492253499328

(list; graph; refs; listen; history; text; internal format)

OFFSET

2,1

LINKS

Table of n, a(n) for n=2..5.

Artem M. Karavaev, FlowProblem.ru web-project: Statistics of Simple Cycles page. - Artem M. Karavaev, Nov 24 2009

Eric Weisstein's World of Mathematics, Hamiltonian Cycle

Eric Weisstein's World of Mathematics, Queen Graph

CROSSREFS

Sequence in context: A198660 A048542 A140173 * A110106 A024087 A161845

Adjacent sequences: A158660 A158661 A158662 * A158664 A158665 A158666

KEYWORD

nonn,more,hard

AUTHOR

Eric W. Weisstein, Mar 24 2009

EXTENSIONS

a(4)-a(5) from Artem M. Karavaev, Nov 24 2009

STATUS

approved