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A118086 Number of ways 3/2 is a product of n superparticular ratios, without regard to order. A superparticular ratio is a ratio of the form m/(m-1). 4
1, 2, 14, 229, 9393, 1474291 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
COMMENTS
The computations were made using Maple and a program of David Canright. The sequence relates to music theory, as 3/2 is the interval of a fifth in music and the sequence enumerates various ways of subdividing a fifth using superparticular intervals.
LINKS
CROSSREFS
Cf. A085098.
Sequence in context: A251692 A338187 A323693 * A048163 A093548 A052215
KEYWORD
hard,more,nonn
AUTHOR
Gene Ward Smith, Apr 14 2006
STATUS
approved

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Last modified June 23 11:27 EDT 2024. Contains 373644 sequences. (Running on oeis4.)