A051725 Denominator of n/12.

1, 12, 6, 4, 3, 12, 2, 12, 3, 4, 6, 12, 1, 12, 6, 4, 3, 12, 2, 12, 3, 4, 6, 12, 1, 12, 6, 4, 3, 12, 2, 12, 3, 4, 6, 12, 1, 12, 6, 4, 3, 12, 2, 12, 3, 4, 6, 12, 1, 12, 6, 4, 3, 12, 2, 12, 3, 4, 6, 12, 1, 12, 6, 4, 3, 12, 2, 12, 3, 4, 6, 12, 1, 12, 6, 4, 3, 12, 2, 12, 3

Offset

0,2

Comments

Arises in the equal-tempered musical scale - see Goldstein (1977), Table 1. - N. J. A. Sloane, Aug 29 2018

References

Goldstein, A. A. "Optimal temperament." SIAM Review 19.3 (1977): 554-562.

R. L. Graham, D. E. Knuth and O. Patashnik, Concrete Mathematics. Addison-Wesley, Reading, MA, 1990, p. 269.

Links

Table of n, a(n) for n=0..80.

Crossrefs

Cf. A051723.

Sequence in context: A033963 A131570 A033332 * A070292 A283880 A084067

Adjacent sequences: A051722 A051723 A051724 * A051726 A051727 A051728

Keyword

nonn,easy,frac

Author

N. J. A. Sloane

Status

approved