The best well-tempered divisions of nonets into 14 parts (14WTNs) are related to classical well temperaments, but with a nonet rather than the 2/1 being constant. The patent val has a generally sharp tendency for harmonics up to 21, with the exception for 11 and 13.

Optimal Intervals

Minimum Maximum [7\12 99.609¢]
1 100.2793
2 200.5586
3 300.8379
4 401.1171
5 501.3964
6 601.6757
7 701.955
8 797.955 804.8121 801.564
9 893.955 907.6692 901.173
10 989.955 1010.5264 1000.782
11 1085.955 1113.3836 1101.391
12 1181.955 1216.2407 1200
13 1277.955 1319.0979 1300.9775
14 1373.955 1421.955 1401.955