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 | | http://functions.wolfram.com/06.41.03.0036.01 | 
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 | | Cell[BoxData[RowBox[List[RowBox[List["CatalanNumber", "[", "5", "]"]], "\[Equal]", "42"]]]] | 
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   <math xmlns='http://www.w3.org/1998/Math/MathML' mathematica:form='TraditionalForm' xmlns:mathematica='http://www.wolfram.com/XML/'>  <semantics>  <mrow>  <msub>  <semantics>  <mi> C </mi>  <annotation encoding='Mathematica'> TagBox["C", CatalanNumber] </annotation>  </semantics>  <mn> 5 </mn>  </msub>  <mo>  </mo>  <mn> 42 </mn>  </mrow>  <annotation-xml encoding='MathML-Content'>  <apply>  <eq />  <apply>  <ci> CatalanNumber </ci>  <cn type='integer'> 5 </cn>  </apply>  <cn type='integer'> 42 </cn>  </apply>  </annotation-xml>  </semantics>  </math> 
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 | | Cell[BoxData[RowBox[List[RowBox[List["HoldPattern", "[", RowBox[List["CatalanNumber", "[", "5", "]"]], "]"]], "\[RuleDelayed]", "42"]]]] | 
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 | | Date Added to functions.wolfram.com (modification date) | 
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