equation icon  fn Rn(n) = -nn--= O(e) for all n > 0, fn-1 fn-l L -l(n) = -n----= O(e2), f-l+1 fn-l-1 L -l-1(n) = --n---= O(1), (172) f-l fn-2l-1 L -2l-1(n) = --n--- = O(1/e), f-2l -fnn-- Ln(n) = fn = O(e) for all the other n < 0. n+1