User:Francium/Miscellaneous rank-2 temperaments

In this page I explore some unnamed rank-2 temperaments, that catched my interest.

53 & 307

Subgroup: 2.9.5

Comma list: 32805/32768

Mapping: [1 0 15], 0 7 -28]]

POTE generator: ~512/375 = 543.3531

Optimal ET sequence6, 29, 35, 41, 47, 53, 59, 171, 230, 519, 749

TE error: 0.057032 cents/octave

Possible temperament family: Schismatic

31 & 449

Subgroup: 2.3.5.7

Comma list: 6144/6125, [-4 -5 -13 15, [7 -4 -16 13, [15 6 10 -17

Mapping: [1 -3 2 1], 0 71 5 28]]

POTE generator: ~256/245 = 77.498

Optimal ET sequence31, 294bbd, 325bd, 356bd, 387bd, 418d, 449, 480, 991cd

TE error: 0.189700 cents/octave

Possible temperament family: Porwell