Clojure: add several rows or records or structs then print singly then in loop

loop-thru-maps.clj

(def account-info (hash-set 
    {:username "zak"
     :balance 13.59
     :member-since "2009-02-01"}
    {:username "mak"
     :balance 12.59
     :member-since "2011-02-02"}
    {:username "jak"
     :balance 11.59
     :member-since "2009-12-02"}))
(prn (first account-info))
(prn (first (rest account-info)))
(prn (first (next (rest account-info))))
(prn (type (first (next (rest account-info)))))

(defn loop-thru [n]
  (if-not (empty? n)
    (do (prn (first n))
        (recur (rest n)))))
(loop-thru account-info)