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Sierpinsky Triangle
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| (defn sierpinsky [n] | |
| (if (= 0 n) | |
| ["*"] | |
| (let [down (sierpinsky (- n 1)) | |
| space (apply str (repeat (Math/pow 2 (- n 1)) " "))] | |
| (concat (map #(apply str space % space) down) | |
| (map #(clojure.string/join " " (repeat 2 %)) down))))) | |
| (map println (sierpinsky 4)) |
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Port of this http://rosettacode.org/wiki/Sierpinski_triangle#Haskell