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 | | http://functions.wolfram.com/04.11.16.0031.01 | 
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 | | Fibonacci[2 \[Nu]] == 3 Fibonacci[2 (\[Nu] - 1)] - Fibonacci[2 (\[Nu] - 2)] | 
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 | | Cell[BoxData[RowBox[List[RowBox[List["Fibonacci", "[", RowBox[List["2", " ", "\[Nu]"]], "]"]], "\[Equal]", RowBox[List[RowBox[List["3", RowBox[List["Fibonacci", "[", RowBox[List["2", " ", RowBox[List["(", RowBox[List["\[Nu]", "-", "1"]], ")"]]]], "]"]]]], "-", RowBox[List["Fibonacci", "[", RowBox[List["2", " ", RowBox[List["(", RowBox[List["\[Nu]", "-", "2"]], ")"]]]], "]"]]]]]]]] | 
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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> F </mi>  <annotation encoding='Mathematica'> TagBox["F", Fibonacci] </annotation>  </semantics>  <mrow>  <mn> 2 </mn>  <mo> ⁢ </mo>  <mi> ν </mi>  </mrow>  </msub>  <mo>  </mo>  <mrow>  <mrow>  <mn> 3 </mn>  <mo> ⁢ </mo>  <msub>  <semantics>  <mi> F </mi>  <annotation encoding='Mathematica'> TagBox["F", Fibonacci] </annotation>  </semantics>  <mrow>  <mn> 2 </mn>  <mo> ⁢ </mo>  <mrow>  <mo> ( </mo>  <mrow>  <mi> ν </mi>  <mo> - </mo>  <mn> 1 </mn>  </mrow>  <mo> ) </mo>  </mrow>  </mrow>  </msub>  </mrow>  <mo> - </mo>  <msub>  <semantics>  <mi> F </mi>  <annotation encoding='Mathematica'> TagBox["F", Fibonacci] </annotation>  </semantics>  <mrow>  <mn> 2 </mn>  <mo> ⁢ </mo>  <mrow>  <mo> ( </mo>  <mrow>  <mi> ν </mi>  <mo> - </mo>  <mn> 2 </mn>  </mrow>  <mo> ) </mo>  </mrow>  </mrow>  </msub>  </mrow>  </mrow>  <annotation-xml encoding='MathML-Content'>  <apply>  <eq />  <apply>  <ci> Fibonacci </ci>  <apply>  <times />  <cn type='integer'> 2 </cn>  <ci> ν </ci>  </apply>  </apply>  <apply>  <plus />  <apply>  <times />  <cn type='integer'> 3 </cn>  <apply>  <ci> Fibonacci </ci>  <apply>  <times />  <cn type='integer'> 2 </cn>  <apply>  <plus />  <ci> ν </ci>  <cn type='integer'> -1 </cn>  </apply>  </apply>  </apply>  </apply>  <apply>  <times />  <cn type='integer'> -1 </cn>  <apply>  <ci> Fibonacci </ci>  <apply>  <times />  <cn type='integer'> 2 </cn>  <apply>  <plus />  <ci> ν </ci>  <cn type='integer'> -2 </cn>  </apply>  </apply>  </apply>  </apply>  </apply>  </apply>  </annotation-xml>  </semantics>  </math> 
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 | | Cell[BoxData[RowBox[List[RowBox[List["HoldPattern", "[", RowBox[List["Fibonacci", "[", RowBox[List["2", " ", "\[Nu]_"]], "]"]], "]"]], "\[RuleDelayed]", RowBox[List[RowBox[List["3", " ", RowBox[List["Fibonacci", "[", RowBox[List["2", " ", RowBox[List["(", RowBox[List["\[Nu]", "-", "1"]], ")"]]]], "]"]]]], "-", RowBox[List["Fibonacci", "[", RowBox[List["2", " ", RowBox[List["(", RowBox[List["\[Nu]", "-", "2"]], ")"]]]], "]"]]]]]]]] | 
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 | | Date Added to functions.wolfram.com (modification date) | 
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