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Search: id:A007780
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| A007780 |
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Losing initial configurations in 2-hole Tchuka Ruma. |
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+0
1
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| 1, 2, 3, 6, 9, 11, 18, 20, 27, 30, 54, 81, 162, 168, 243, 486, 729, 1458, 2187, 4374, 6561, 13122, 19683, 39366, 59049
(list; graph; listen)
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OFFSET
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1,2
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COMMENT
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The 2-hole Tchuka Ruma game cannot be won for the initial seeds 3^i (i>=1) or 2*3^i (i>=0). Though a sufficient condition, this is not necessary, as can be seen from the terms a(6)=11, a(8)=20, a(10)=30 and a(14)=168 - Pab Ter (pabrlos2(AT)yahoo.com), Nov 08 2005
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REFERENCES
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Campbell, Paul J. and Darrah P. Chavey, Tchuka Ruma Solitaire, J. Undergrad. Math. Applic., 16 (4) (1995) 343-365.
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LINKS
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Campbell, Paul J. and Darrah P. Chavey, Tchuka Ruma Solitaire, The UMAP Journal 16(4) (1995), 343-365.
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CROSSREFS
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Sequence in context: A097384 A067886 A057127 this_sequence A018537 A018331 A032704
Adjacent sequences: A007777 A007778 A007779 this_sequence A007781 A007782 A007783
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KEYWORD
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nonn,more
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AUTHOR
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chavey(AT)beloit.edu (Darrah Chavey)
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EXTENSIONS
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More terms from Pab Ter (pabrlos2(AT)yahoo.com), Nov 08 2005
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