Left factorials: Difference between revisions
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started Haskell |
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Digits in 1,000 through 10,000 by thousands: |
Digits in 1,000 through 10,000 by thousands: |
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[2565, 5733, 9128, 12670, 16322, 20062, 23875, 27749, 31678, 35656]</pre> |
[2565, 5733, 9128, 12670, 16322, 20062, 23875, 27749, 31678, 35656]</pre> |
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=={{header|Haskell}}== |
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<lang haskell>fact :: [Integer] |
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fact = scanl (*) 1 [1..] |
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leftFact :: [Integer] |
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leftFact = scanl (+) 0 fact |
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main :: IO () |
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main = do |
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print $ take 11 leftFact</lang> |
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{{out}} |
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<pre> |
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[0,1,2,4,10,34,154,874,5914,46234,409114] |
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</pre> |
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=={{header|J}}== |
=={{header|J}}== |