1
Limit of lists code-golf
You're given a never-ending sequences of lists, each of which appends some number of values to the end of the previous one. That is, each list is a prefix of the next.
3
3,1,4
3,1,4,1
3,1,4,1
3,1,4,1
3,1,4,1,5,9,2,6
...
While some steps may leave the list unchanged, its ...