Hi Max,
Welcome to Coda! And the fact that you do not speak code to good, is an advantage… Coda’s a no-code tool
This is actually not a simple question, as you point out the row sequence can change. Please have a look at @joost_mineur comments on this previous question:
You are going about it the right way, building a new sequence as Joost suggests.
(I have unfortunately not had time to finish the changes that I need to make to my example, so there is no live example at the moment.)
And your formula would like to look something like the below:
(Replace my RowID column, witht he name of your column that contains the sequence number.
Regards
Piet