Here is a list of "no sevens" ets up to 500, with a "no sevens" badness measure. Of course corresponding "no sevens" linear temperaments can be treated just like 7-limit linear temperaments. The no-sevens version of Arabic would come from combining 24 and 31.

1 .874469118

2 .6628051687

3 .8991089882

4 .7970714166

6 .8907979318

7 .4849216657

8 .8491505000

9 .7640348589

15 .5562849116

16 .9056313011

22 .6677836946

24 .9023455495

31 .8249555856

65 .6413351099

72 .7439328269

87 .5140313008

152 .8880115141

183 .9262407104

270 .8140628426

342 .8784426512

407 .6748936949

494 .5791226647

--- In tuning-math@y..., "genewardsmith" <genewardsmith@j...> wrote:

> Here is a list of "no sevens" ets up to 500, with a "no sevens" >

badness measure.

Meaning the nine intervals

1:3

1:5

3:5

1:9

5:9

1:11

3:11

5:11

9:11

are equally weighted?

--- In tuning-math@y..., "paulerlich" <paul@s...> wrote:

> Meaning the nine intervals

>

> 1:3

> 1:5

> 3:5

> 1:9

> 5:9

> 1:11

> 3:11

> 5:11

> 9:11

>

> are equally weighted?

It probably should mean that, but I forgot to put in the nines. It's been a busy day and I was distracted.