14 lines
275 B
Text
14 lines
275 B
Text
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(de happy? (N)
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(let Seen NIL
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(loop
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(T (= N 1) T)
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(T (member N Seen))
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(setq N
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(sum '((C) (** (format C) 2))
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(chop (push 'Seen N)) ) ) ) ) )
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(let H 0
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(do 8
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(until (happy? (inc 'H)))
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(printsp H) ) )
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