Catalan numbers: Difference between revisions
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(Expect same result with "Catalan2 15") |
(Expect same result with "Catalan2 15") |
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=={{header|Wortel}}== |
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<lang wortel>; the following number expression calculcates the nth Catalan number |
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#~ddiFSFmSoFSn |
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; which stands for: dup dup inc fac swap fac mult swap double fac swap divide |
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; to get the first 15 Catalan numbers we map this function over a list from 0 to 15 |
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!*#~ddiFSFmSoFSn @til 15 |
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; returns [1 1 2 5 14 42 132 429 1430 4862 16796 58786 208012 742900 2674439.9999999995]</lang> |
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=={{header|XPL0}}== |
=={{header|XPL0}}== |
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