Ifbis

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! ifbis.scl

!

Ifbis -c 12 tones sequence (not traditional)

12

!

61/56

8/7

17/14

9/7

75/56

10/7

3/2

11/7

93/56

7/4

13/7

2/1

! Ifbis neutral third recurrent sequence x^5 - x^3 = 1 Dudon 2002

! series 9 11 14 17 21 26 32 40 49 61 75 93 115 142 176

! (closes here in a 13 tones/octave scale between 11 and 176)

! TL 19/11/2009