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dawranliou/tri.clj

Last active April 26, 2018 01:06
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tri.clj
(defn tri-gen
([] (tri-gen 0 1))
([tri-num n]
(lazy-seq (cons tri-num
(tri-gen (+ tri-num n) (inc n))))))
(def tri-numbers (tri-gen))
(take 7 tri-numbers)
;; (0 1 3 6 10 15 21)
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