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Task/Catalan-numbers/R/catalan-numbers.r
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Task/Catalan-numbers/R/catalan-numbers.r
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@ -0,0 +1,4 @@
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catalan <- function(n) choose(2*n, n)/(n + 1)
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catalan(0:15)
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[1] 1 1 2 5 14 42 132 429 1430
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[10] 4862 16796 58786 208012 742900 2674440 9694845
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