Catalan numbers: Difference between revisions
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=={{header|langur}}== |
=={{header|langur}}== |
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{{trans|Perl}} |
{{trans|Perl}} |
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<syntaxhighlight lang="langur">val .factorial = |
<syntaxhighlight lang="langur">val .factorial = fn(.x) if(.x < 2: 1; .x x self(.x - 1)) |
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val .catalan = |
val .catalan = fn(.n) .factorial(2 x .n) / .factorial(.n+1) / .factorial(.n) |
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for .i in 0..15 { |
for .i in 0..15 { |
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