Hi, there is no 6th element in your example. That's why you get nil.
Clojure 1.3.0 user=> ((fn [[f & r] n] (if (zero? n) f (recur r (dec n)))) [4 5 6 7 8 9] 2) 6 Sincerely Meikel -- You received this message because you are subscribed to the Google Groups "Clojure" group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en