Catalan numbers: Difference between revisions
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=={{header|Phix}}==
{{libheader|bigatom}}
<lang Phix>-- returns inf/-nan for n>85, and needs the rounding for n>=14, accurate to n=29
function catalan1(integer n)
return floor(factorial(2*n)/(factorial(n+1)*factorial(n))+0.5)
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