The On-Line Encyclopedia of Integer Sequences (OEIS)

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Number of (undirected) Hamiltonian paths on the n X n queen graph.
(history; published version)

#5 by N. J. A. Sloane at Tue May 14 11:00:59 EDT 2019

STATUS

proposed

approved

#4 by Eric W. Weisstein at Tue May 14 10:07:23 EDT 2019

STATUS

editing

proposed

#3 by Eric W. Weisstein at Tue May 14 10:07:21 EDT 2019

NAME

allocated for Eric W. Weisstein

Number of (undirected) Hamiltonian paths on the n X n queen graph.

DATA

0, 12, 22928, 10221735256, 1881495851872220832

OFFSET

1,2

LINKS

Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/HamiltonianPath.html">Hamiltonian Path</a>

Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/QueenGraph.html">Queen Graph</a>

FORMULA

a(n) = A158664(n)/2.

CROSSREFS

KEYWORD

allocated

nonn,more,hard

AUTHOR

STATUS

approved

editing

#2 by Eric W. Weisstein at Tue May 14 10:07:21 EDT 2019

NAME

allocated for Eric W. Weisstein

KEYWORD

recycled

allocated

#1 by Russ Cox at Sun Jan 27 08:30:53 EST 2019

KEYWORD

recycled

STATUS

approved