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).

1, 2, 14, 229, 9393, 1474291

Offset: 1

Author

Gene Ward Smith, Apr 14 2006

Keywords

• hard
• more
• nonn

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.

Crossrefs

Cf. A085098.