http://raykawamoto.hatenablog.com/entry/2016/12/14/180939
A=440
S=[]
for n in range(12):
S.append(A * (2**(1/12))**n)
print(S)
S=(440.0, 466.1637615180899, 493.8833012561241, 523.2511306011974, 554.3652619537443, 587.3295358348153, 622.253967444162, 659.2551138257401, 698.456462866008, 739.988845423269, 783.990871963499, 830.6093951598907)
print(S)
辞書型にして、音名と関連づける。