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Search: id:A133046
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| A133046 |
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Starting from the standard 12 against 12 starting position in checkers, the sequence gives the number of unique move sequences after n moves. |
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+0
3
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| 1, 7, 49, 302, 1469, 7361, 36768, 179740, 845931, 3963680, 18391564, 85242128, 388623673, 1766623630, 7978439499, 36263167175, 165629569428, 758818810990, 3493881706141, 16114043592799, 74545030871553
(list; graph; listen)
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OFFSET
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0,2
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REFERENCES
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C. A. Pickover, The Math Book, Sterling, NY, 2009; see p. 512.
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LINKS
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A. Bik, Aart's Computer Checkers Page [From Richard Bean (oeis(AT)okuvrumo.fea.st), Sep 18 2009]
M. Fierz, CheckerBoard [From Richard Bean (oeis(AT)okuvrumo.fea.st), Sep 18 2009]
I. Korshunov, Title? [From Richard Bean (oeis(AT)okuvrumo.fea.st), Sep 18 2009]
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CROSSREFS
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Cf. A133047, A055213.
Sequence in context: A094430 A146884 A113235 this_sequence A126639 A057266 A057833
Adjacent sequences: A133043 A133044 A133045 this_sequence A133047 A133048 A133049
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KEYWORD
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nonn,nice
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AUTHOR
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Jonathan Schaeffer (jonathan(AT)cs.ualberta.ca), Dec 27 2007
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EXTENSIONS
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a(12) - a(20) computed by Aart Bik and sent by Richard Bean (oeis(AT)okuvrumo.fea.st), Sep 18 2009
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