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A104158 Numbers on a standard, London, or clock dartboard read in a counterclockwise direction. 2
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 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,1

COMMENTS

Sequence is periodic with period 20. - Michel Marcus, Jul 26 2013

LINKS

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).

CROSSREFS

Cf. A003833, A008575.

Sequence in context: A018816 A040389 A040386 * A068612 A233820 A040387

Adjacent sequences:  A104155 A104156 A104157 * A104159 A104160 A104161

KEYWORD

nonn

AUTHOR

Andrew G. West (WestA(AT)wlu.edu), Mar 09 2005

STATUS

approved

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Last modified November 13 13:15 EST 2018. Contains 317149 sequences. (Running on oeis4.)