User blog comment:Hyp cos/Fundamental Sequences in Taranovsky's Notation/@comment-40154718-20190916083849

In the FS a[k] = max { b | b < a and L(b) = L(a) + k }, k is a finite number, so it seems to me that this FS can work only for ordinals with cofinality ω. How do you define the FS of an ordinal with cofinality greater than ω ?