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A104158
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Numbers on a standard, London, or clock dartboard read in a counterclockwise direction.
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2
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20, 5, 12, 9, 14, 11, 8, 16, 7, 19, 3, 17, 2, 15, 10, 6, 13, 4, 18, 1, 20, 5, 12, 9, 14, 11, 8, 16, 7, 19, 3, 17, 2, 15, 10, 6, 13, 4, 18, 1, 20, 5, 12, 9, 14, 11, 8, 16, 7, 19, 3, 17, 2, 15, 10, 6, 13, 4, 18, 1, 20, 5, 12, 9, 14, 11
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refs;
listen;
history;
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internal format)
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OFFSET
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0,1
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COMMENTS
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Sequence is periodic with period 20. - Michel Marcus, Jul 26 2013
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LINKS
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Table of n, a(n) for n=0..65.
K. S. Brown, The Dartboard Sequence
Patrick Chaplin, Why are the numbers on a dartboard in the order they are?
Sven Silow, Why this particular numbering scheme?
Index entries for linear recurrences with constant coefficients, signature (0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1).
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CROSSREFS
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Cf. A003833, A008575.
Sequence in context: A040389 A040386 A309321 * A068612 A233820 A040387
Adjacent sequences: A104155 A104156 A104157 * A104159 A104160 A104161
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KEYWORD
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nonn
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AUTHOR
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Andrew G. West (WestA(AT)wlu.edu), Mar 09 2005
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STATUS
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approved
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