1-7-9-13 by 4/3 bihexany
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A 13-odd-limit Hexany. This creates a scale of 1 117/112 13/12 9/8 26/21 9/7 4/3 39/28 3/2 13/8 12/7 13/7 2/1, with steps of 117/112 28/27 27/26 208/189 27/26 28/27 117/112 14/13 13/12 96/91 13/12 14/13. As the base hexany has 2 9/8's, but no 3/2's, this creates multiple chains of them that you can do traditional I IV V progressions on while also having access to some quite xenharmonic melodic options, as long as you can compensate for the fact that many of those perfect fifths are not mapped to 7 steps above their roots on a standard keyboard.
! 1-7-9-13-by_3/2_Bihexany.scl ! 1 7 9 13 by 3/2 2-combination Bihexany 12 ! 75.611 138.572 203.910 369.746 435.084 498.044 573.656 701.955 840.527 933.129 1071.701 1200