User blog comment:Denis Maksudov/Slowly growing ordinal function and FS up to BHO./@comment-28606698-20170402064919/@comment-28606698-20170402120838

Thanks, now I more clearly see classification. Then we can write $$\Omega_k^2+\Omega_k$$ as limit uncountable ordinal with cofinality $$\Omega_k$$. $$\Omega_k^2+\Omega_k+\Omega_{k-n}$$ as limit uncountable ordinal with cofinality $$\Omega_{k-n}$$.