1-3-5-9-11-13-15 enaeikosany

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Circle diagram.
Circle diagram. (rotated)

A 15-odd-limit enaeikosany. This creates a scale of 1 65/64 33/32 13/12 9/8 55/48 39/32 5/4 65/48 11/8 45/32 143/96 3/2 25/16 13/8 5/3 55/32 11/6 15/8 2/1, with steps of 65/64 66/65 104/99 27/26 55/54 117/110 40/39 13/12 66/65 45/44 143/140 144/143 25/24 26/25 40/39 33/32 16/15 45/44 16/15. (5/4 and 15/8 appear twice, reducing this to a 19 note scale.) With 11 perfect fifths and several different approximations to the diatonic scale in various modes, this has plenty of consonant chords available and makes moving between them relatively intuitive for a scale this size, at the cost of some comma steps that blur into their neighbours.

! 1-3-5-9-11-13-15_Enaeikosany.scl
!
1 3 5 9 11 13 15 2-combination Enaeikosany
19
!
26.841
53.272
138.572
203.910
235.676
342.482
386.313
524.886
551.317
590.223
689.890
701.955
772.627
840.527
884.358
937.631
1049.362
1088.268
1200