mathjs/docs/reference/functions/catalan.md

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)

Examples

math.catalan(3); // returns 5;
math.catalan(8); // returns 1430;

See also

bellNumbers