User blog comment:DrCeasium/fast growing hierarchy example/@comment-5150073-20130404140605

7-th line:

f_w^(w^2*2+2)*3(3) = f_w^(w^2*2+2)*2+w^(w^2*2+2)(n), not f_w^(w^2*2+2)*2+3(n). Entire polynomial is added to the expression.