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
catalan(n)
Parameters
Parameter | Type | Description |
---|---|---|
n |
Number | BigNumber | nth Catalan number |
Returns
Type | Description |
---|---|
Number | BigNumber | Cn(n) |
Examples
catalan(3); // returns 5;
catalan(8); // returns 1430;