accumulating_f(3) = 3 accumulating_f(3) = 9 accumulating_f(3) = 27 accumulating_f(3) = 81 accumulating_f(3) = 243 accumulating_f(3) = 729 accumulating_f(3) = 2187 accumulating_f(3) = 6561 accumulating_f(3) = 19683 accumulating_f(3) = 59049