10 lines
171 B
APL
10 lines
171 B
APL
dfnHailstone 5
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5 16 8 4 2 1
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5↑hailstone 27
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27 82 41 124 62
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¯5↑hailstone 27
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16 8 4 2 1
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⍴hailstone 27
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112
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1↑{⍵[⍒↑(⍴∘hailstone)¨⍵]}⍳100000
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77031
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