User blog comment:VoidSansXD/Big notation thing/@comment-35470197-20190227093321

"Pattern repeats" soes not much makes sense, because you have not defined a general notation in a explicit recursive way. For example, you have not clarified what is \(A(1) \cdots (1)n\) with one thousand \(1\)'s. Such an abbreviation is quite ambiguous, and hence \(A(2)n\) is not well-defined.