9: [21/20, 27/25, 128/125]
10: [25/24, 28/27, 49/48]
12: [36/35, 50/49, 64/63]
15: [28/27, 49/48, 126/125]
19: [49/48, 81/80, 126/125]
22: [50/49, 64/63, 245/243]
27: [64/63, 126/125, 245/243]
31: [81/80, 126/125, 1029/1024]
41: [225/224, 245/243, 1029/1024]
68: [245/243, 2048/2025, 2401/2400]
72: [225/224, 1029/1024, 4375/4374]
99: [2401/2400, 3136/3125, 4375/4374]
130: [2401/2400, 3136/3125, 19683/19600]
140: [2401/2400, 5120/5103, 15625/15552]

For any prime limit, we could consider the most characteristic linear
temperament of a particular et to be the one leaving off the last member of the
MT reduced basis. It is interesting to note that the characteristic linear
temperament of 99 and 130 is the same. Of course we can do the same for planar
temperaments, etc.