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Search: id:A079137
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| A079137 |
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Number of knights tour diagrams on a 4 X k chessboard. |
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+0
6
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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
(list; graph; 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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Author?, Knights tours
George Jellis, Knights tour diagrams
Eric Weisstein's World of Mathematics, Knight's Tour
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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.
Sequence in context: A137528 A167318 A067817 this_sequence A121770 A013376 A013456
Adjacent sequences: A079134 A079135 A079136 this_sequence A079138 A079139 A079140
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KEYWORD
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nonn
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AUTHOR
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Eric Weisstein (eric(AT)weisstein.com), Dec 28, 2002
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EXTENSIONS
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More terms from Andre Poenitz [Andr\'{e} P\"{o}nitz] (poenitz(AT)htwm.de), Jun 11 2003
Edited by N. J. A. Sloane (njas(AT)research.att.com), Oct 30 2006, following suggestions from Colin Rose.
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