298 equal divisions of the octave (298edo), or 298-tone equal temperament (298tet), 298 equal temperament (298et) when viewed from a regular temperament perspective, is the tuning system that divides the octave into 298 equal parts of about 4.03 ¢ each.
298edo has excellent representation of the 184.108.40.206.220.127.116.11 subgroup, with all the harmonics having errors of less than 10 rc. It is a double of 149edo, which is the smallest edo that is uniquely consistent within the 17-odd-limit. It supports a 17-limit extension of Sensi, 111 & 103 & 298. However, compared to 149edo, 298edo's patent val differs on the mapping of 7, 11, and 13th harmonics.
It can be viewed as a "spicy 149edo" as a result, and different temperaments can be extracted from 298edo by simply viewing its prime harmonics as variations from 149edo by its own half-step.
In the 18.104.22.168.22.214.171.124, 298edo tempers out 3176/3175, 3128/3125, 3128/3127, 32906/32065 and 76585/76582.
The concoctic scale for 298edo is a scale produced by a generator of 105 steps (paraconcoctic), and the associated rank two temperament is 105 & 298.
Rank two temperaments by generator
Note: Temperaments represented by 149edo are not included.