1-3-5-7-11-13 eikosany
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A 13-odd-limit eikosany. This creates a scale of 1 1001/960 13/12 11/10 91/80 7/6 143/120 77/60 13/10 11/8 7/5 143/96 91/60 77/48 13/8 7/4 143/80 11/6 91/48 77/40 2/1, with steps of 1001/960 80/77 66/65 91/88 40/39 143/140 14/13 78/77 55/52 56/55 715/672 56/55 55/52 78/77 14/13 143/140 40/39 91/88 66/65 80/77. This is quite an uneven scale which is noticeably denser on one side than the other. It has 6 notes with perfect fifths above them, plus quite a few more imperfect ones, including both sharp and flat wolf fifths above the root, giving you a wide selection of different chords, albeit with more xenharmonic combinations of notes than familiar ones.
! 1-3-5-7-11-13_Eikosany.scl ! 1 3 5 7 11 13 3-combination Eikosany 20 ! 72.402 138.572 165.004 223.039 266.871 303.576 431.875 454.213 551.317 582.512 689.890 721.084 818.188 840.527 968.825 1005.531 1049.362 1107.398 1133.830 1200