1-5-7-9-13-15 pentadekany
A 15-odd-limit pentadekany. This creates a scale of 1 9/8 91/80 39/32 13/10 21/16 7/5 117/80 3/2 63/40 13/8 27/16 7/4 9/5 15/8 2/1, with steps of 9/8 91/90 15/14 16/15 105/104 16/15 117/112 40/39 21/20 65/63 27/26 28/27 36/35 25/24 16/15. This is a scale of two halves, alternating large steps and commas on one side with more evenly distributed intervals on the other, giving it a very distinctive melodic profile. It has 5 perfect fifths plus one flat by 225/224, giving you plenty of places to build chords as well, making it one of the more interesting scales of its size overall.

! 1-5-7-9-13-15_Pentadekany.scl ! 1 5 7 9 13 15 2-combination Pentadekany 15 ! 203.910 223.039 342.482 454.213 470.781 582.512 658.123 701.955 786.422 840.527 905.865 968.825 1017.596 1088.268 1200