Octave Note −1 0 1 2 3 4 5 C 8.1758 (0) 16.352 (12) 32.703 (24) 65.406 (36) 130.81 (48) 261.63 (60) 523... C♯/D♭ 8.6620 (1) 17.324 (13) 34.648 (25) 69.296 (37) 138.59 (49) 277.18 (61) 554... D 9.1770 (2) 18.354 (14) 36.708 (26) 73.416 (38) 146.83 (50) 293.66 (62) 587...
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