Akjayland
Akjayland is a fractional-octave temperament. It features the number 7 both in just intonation limits, and the EDO numbers used to define it - it is described as a 441 & 1407 temperament - both numbers divisible by 7. It has a period of 1\21 of the octave.
The name comes from two fractional octave commas: akjaysma and the landscape comma.
Akjayland
Subgroup: 2.3.5.7
Mapping: [⟨21 34 49 58], ⟨0 -3 -1 4]]
Comma list: 250047/250000, 140737488355328/140710042265625
POTE Generator: 13.6353¢
Periods per octave: 21