21 lines
379 B
Plaintext
21 lines
379 B
Plaintext
! dudon_evan_thai.scl
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Evan differentially-coherent double Thai heptaphone
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12
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!
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14107/14080
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243/220
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6235/5632
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537/440
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74/55
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2373/1760
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327/220
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5243/3520
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289/176
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23171/14080
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3193/1760
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2/1
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! Evan recurrent sequence 2x^5 = 16 - x
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! (592 -537 = 55 etc.) x = 1.4864447215647
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! the black keys follow a second spiral cycle x^7 / 16, or 3.67 c. higher
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! Dudon 2009
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