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http://functions.wolfram.com/05.15.06.0006.01
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BellB[n, z] \[Proportional] StirlingS2[n, 0] + StirlingS2[n, 1] z +
StirlingS2[n, 2] z^2 + O[z^3]
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Cell[BoxData[RowBox[List[RowBox[List["BellB", "[", RowBox[List["n", ",", "z"]], "]"]], "\[Proportional]", RowBox[List[RowBox[List["StirlingS2", "[", RowBox[List["n", ",", "0"]], "]"]], "+", RowBox[List[RowBox[List["StirlingS2", "[", RowBox[List["n", ",", "1"]], "]"]], "z"]], "+", RowBox[List[RowBox[List["StirlingS2", "[", RowBox[List["n", ",", "2"]], "]"]], SuperscriptBox["z", "2"]]], "+", RowBox[List["O", "[", SuperscriptBox["z", "3"], "]"]]]]]]]]
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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> <mrow> <msub> <semantics> <mi> B </mi> <annotation encoding='Mathematica'> TagBox["B", BellB] </annotation> </semantics> <mi> n </mi> </msub> <mo> ( </mo> <mi> z </mi> <mo> ) </mo> </mrow> <mo> ∝ </mo> <mrow> <msubsup> <semantics> <mi> 𝒮 </mi> <annotation encoding='Mathematica'> TagBox["\[ScriptCapitalS]", StirlingS2] </annotation> </semantics> <mi> n </mi> <mrow> <mo> ( </mo> <mn> 0 </mn> <mo> ) </mo> </mrow> </msubsup> <mo> + </mo> <mrow> <msubsup> <semantics> <mi> 𝒮 </mi> <annotation encoding='Mathematica'> TagBox["\[ScriptCapitalS]", StirlingS2] </annotation> </semantics> <mi> n </mi> <mrow> <mo> ( </mo> <mn> 1 </mn> <mo> ) </mo> </mrow> </msubsup> <mo> ⁢ </mo> <mi> z </mi> </mrow> <mo> + </mo> <mrow> <msubsup> <semantics> <mi> 𝒮 </mi> <annotation encoding='Mathematica'> TagBox["\[ScriptCapitalS]", StirlingS2] </annotation> </semantics> <mi> n </mi> <mrow> <mo> ( </mo> <mn> 2 </mn> <mo> ) </mo> </mrow> </msubsup> <mo> ⁢ </mo> <msup> <mi> z </mi> <mn> 2 </mn> </msup> </mrow> <mo> + </mo> <mrow> <mi> O </mi> <mo> ⁡ </mo> <mo> ( </mo> <msup> <mi> z </mi> <mn> 3 </mn> </msup> <mo> ) </mo> </mrow> </mrow> </mrow> <annotation-xml encoding='MathML-Content'> <apply> <ci> Proportional </ci> <apply> <ci> BellB </ci> <ci> n </ci> <ci> z </ci> </apply> <apply> <plus /> <apply> <ci> StirlingS2 </ci> <ci> n </ci> <cn type='integer'> 0 </cn> </apply> <apply> <times /> <apply> <ci> StirlingS2 </ci> <ci> n </ci> <cn type='integer'> 1 </cn> </apply> <ci> z </ci> </apply> <apply> <times /> <apply> <ci> StirlingS2 </ci> <ci> n </ci> <cn type='integer'> 2 </cn> </apply> <apply> <power /> <ci> z </ci> <cn type='integer'> 2 </cn> </apply> </apply> <apply> <ci> O </ci> <apply> <power /> <ci> z </ci> <cn type='integer'> 3 </cn> </apply> </apply> </apply> </apply> </annotation-xml> </semantics> </math>
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| Cell[BoxData[RowBox[List[RowBox[List["HoldPattern", "[", RowBox[List["BellB", "[", RowBox[List["n_", ",", "z_"]], "]"]], "]"]], "\[RuleDelayed]", RowBox[List[RowBox[List["StirlingS2", "[", RowBox[List["n", ",", "0"]], "]"]], "+", RowBox[List[RowBox[List["StirlingS2", "[", RowBox[List["n", ",", "1"]], "]"]], " ", "z"]], "+", RowBox[List[RowBox[List["StirlingS2", "[", RowBox[List["n", ",", "2"]], "]"]], " ", SuperscriptBox["z", "2"]]], "+", SuperscriptBox[RowBox[List["O", "[", "z", "]"]], "3"]]]]]]] |
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Date Added to functions.wolfram.com (modification date)
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