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Search: id:A065178
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| A065178 |
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Number of site swap patterns with 2 balls and exact period n. |
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+0
5
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| 1, 2, 6, 15, 42, 107, 294, 780, 2128, 5781, 15918, 43885, 122010, 340323, 954394, 2685930, 7588770, 21507696, 61144062, 174283887, 498012094, 1426213191, 4092816966, 11767176070, 33890202192, 97761428205, 282424564744
(list; graph; listen)
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OFFSET
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1,2
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COMMENT
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When interspersed with 0's, exponents in expansion of A065481 as a product zeta(n)^(-a(n)).
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LINKS
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Juggling Information Service, Site Swap FAQs
G. Niklasch, Some number theoretical constants: 1000-digit values
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EXAMPLE
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We have one period 1 (2), two period 2 (31/13 and 40/04) and six period three 2-ball siteswaps (312, 330, 411, 420, 501, 600) (The average of digits is always 2).
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MAPLE
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[seq(DistSS(p, 2), p=1..60)];
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CROSSREFS
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Row 2 of A065177. Cf. A065179, A065180.
Sequence in context: A074446 A121328 A139379 this_sequence A148438 A148439 A151515
Adjacent sequences: A065175 A065176 A065177 this_sequence A065179 A065180 A065181
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KEYWORD
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nonn
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AUTHOR
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Antti Karttunen Oct 19 2001
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