18L 9s

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18L 9s
Pattern LLs LLs LLs LLs LLs LLs LLs LLs LLs
Period 1\9
Generator range 1\27 (44.4¢) to 1\18 (66.7¢)
Parent MOS 9L 9s
Daughter MOSes 27L 18s, 18L 27s
Sister MOS 9L 18s
Neutralized MOS 9L 18s
TAMNAMS name ennealimmal albitonic
Equal tunings
Supersoft (L:s = 4:3) 4\99 (48.5¢)
Soft (L:s = 3:2) 3\72 (50.0¢)
Semisoft (L:s = 5:3) 5\117 (51.3¢)
Basic (L:s = 2:1) 2\45 (53.3¢)
Semihard (L:s = 5:2) 5\108 (55.6¢)
Hard (L:s = 3:1) 3\63 (57.1¢)
Superhard (L:s = 4:1) 4\81 (59.3¢)

This is the MOS with 9 periods of 2L 1s. Its generator is not less than a "pure" diesis or "neutral" quartertone of 1/27edo (44.444 cents) nor greater than a chromatic semitone of 1/18edo (66.667 cents).

1/18 66.667
6/117 61.5385
5/99 60.606
4/81 59.259
7/144 58.333
57.513
3/63 57.143
56.309
8/171 56.14
55.976
5/108 55.556
7/153 55.098
9/198 54.5455
2/45 53.333
9/207 52.174
7/162 51.852
51.733
5/117 51.282
50.929
8/189 50.794
50.57
3/72 50
7/171 49.123
4/99 48.121
5/126 47.619
6/153 47.058
1/27 44.444