; This file contains the function which computes ; k(f,n) = f^{(n)}(0) (defun k (f n) "Usage: >(k 'f n) where f is 1-ary and n is an integer." (if (= n 0) 0 (f (k f (- n 1))) ) ) (defun j (n) "Test function" (if (= n 0) 1 (+ (j (- n 1)) 2)) )