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A124004
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Number of possible Reversi games at the end of the n-th ply.
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4
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1, 4, 12, 56, 244, 1396, 8200, 55092, 390216, 3005288, 24571056, 212258216, 1939879668, 18429618408, 184041761768, 1891831332208, 20301171282452, 222742563853912, 2534535926617852, 29335558770589276
(list;
graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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0,2
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COMMENTS
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Reversi is the older name for the game. Othello is a more recent trade name.
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LINKS
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Table of n, a(n) for n=0..19.
Alain Brobecker, Othello and retrograde analysis (pdf)
Alain Brobecker, programs to generate sequences
Alain Brobecker, othello.c
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CROSSREFS
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Cf. A124005, A124006.
Sequence in context: A149423 A295496 A164575 * A243785 A019266 A009114
Adjacent sequences: A124001 A124002 A124003 * A124005 A124006 A124007
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KEYWORD
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fini,hard,nonn
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AUTHOR
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Alain Brobecker (abrobecker(AT)yahoo.com), Nov 01 2006, Dec 30 2006
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EXTENSIONS
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4 more terms from Paul Byrne, Mar 08 2008
Edited by Charles R Greathouse IV, Oct 28 2009
1 more term from Dominic Hofer, Oct 21 2014
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STATUS
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approved
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