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A079137
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Number of (undirected) Hamiltonian paths on the 4 X n knight graph.
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14
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0, 0, 8, 0, 82, 744, 6378, 31088, 189688, 1213112, 6683852, 36486328, 201282470, 1083585304, 5706117458, 29819231288, 154430502724, 790787799376, 4014945695196, 20241304810488, 101336136490228, 504096313001272, 2493533648002492, 12270473056485396
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listen;
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OFFSET
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1,3
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REFERENCES
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Kraitchik, M. Mathematical Recreations. New York: W. W. Norton, p. 263, 1942.
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LINKS
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CROSSREFS
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See A079312 for 4 times these numbers, A123935 for twice these numbers, A123936 for these numbers halved.
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KEYWORD
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nonn
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AUTHOR
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EXTENSIONS
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More terms from André Pönitz (poenitz(AT)htwm.de), Jun 11 2003
Edited by N. J. A. Sloane, Oct 30 2006, following suggestions from Colin Rose
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STATUS
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approved
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