Nuwell family
The nuwell family of rank-3 temperaments temper out the nuwell comma, 2430/2401.
Nuwell
Subgroup: 2.3.5.7
Comma list: 2430/2401
Mapping: [⟨1 0 3 1], ⟨0 1 3 2], ⟨0 0 -4 -1]]
Optimal ET sequence: 9, 22, 31, 53, 84, 137
Badness: 0.519 × 10-3
Projection pair: 5 2401/486 to 2.3.7
Big Brother
Subgroup: 2.3.5.7.11
Comma list: 99/98, 121/120
Mapping: [⟨1 0 3 1 3], ⟨0 1 3 2 2], ⟨0 0 -4 -1 -2]]
Optimal ET sequence: 8d, 9, 22, 31, 53
Badness: 0.507 × 10-3
Projection pairs: 5 2401/486 11 98/9 to 2.3.7
13-limit
Subgroup: 2.3.5.7.11.13
Comma list: 66/65, 99/98, 121/120
Mapping: [⟨1 0 3 1 3 1], ⟨0 1 3 2 2 0], ⟨0 0 -4 -1 -2 2]]
Optimal ET sequence: 8d, 9, 22f, 31