Catalan numbers: Difference between revisions

Content added Content deleted
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=={{header|R}}==
=={{header|R}}==
{{incorrect|R|series starts 1, 1, 2, ...}}
<lang r>catalan <- function(n) choose(2*n, n)/(n + 1)
<lang r>catalan <- function(n) choose(2*n, n)/(n + 1)
catalan(0:15)
catalan(0:15)