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  1. (progn
  2.   (defun collatz-aux (n)
  3.     (if (evenp n)
  4.         (/ n 2)
  5.       (+ (* 3 n) 1)))
  6.  
  7.   (defun collatz-list(n, li)
  8.     (let* ((col (collatz-aux n)))
  9.       (format "%d" col)
  10.       (if (= col 1)
  11.           li
  12.         (collatz-list col (cons col li)))))
  13.  
  14.   (format t "~A" (collatz-list 3 ())))
Success #stdin #stdout 0s 3068KB
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https://ideone.com/7eNtN
language:
Clips (clips 6.30)
created:
14 years ago
visibility:
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