749 B
749 B
Function catalan
The Catalan Numbers enumerate combinatorial structures of many different types. catalan only takes integer arguments. The following condition must be enforced: n >= 0
Syntax
math.catalan(n)
Parameters
Parameter | Type | Description |
---|---|---|
n |
Number | BigNumber | nth Catalan number |
Returns
Type | Description |
---|---|
Number | BigNumber | Cn(n) |
Throws
Type | Description |
---|
Examples
math.catalan(3) // returns 5
math.catalan(8) // returns 1430