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41 lines
702 B
Markdown
41 lines
702 B
Markdown
# Function catalan
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The Catalan Numbers enumerate combinatorial structures of many different types.
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catalan only takes integer arguments.
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The following condition must be enforced: n >= 0
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## Syntax
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```js
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math.catalan(n)
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```
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### Parameters
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Parameter | Type | Description
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--------- | ---- | -----------
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`n` | Number | BigNumber | nth Catalan number
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### Returns
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Type | Description
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---- | -----------
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Number | BigNumber | Cn(n)
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## Examples
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```js
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math.catalan(3); // returns 5;
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math.catalan(8); // returns 1430;
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```
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## See also
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[bellNumbers](bellNumbers.md)
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