DLMF:26.8.E19 (Q7847): Difference between revisions

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‎Changed an Item: Add constraint
‎Changed an Item: Add constraint
Property / Symbols used
 
Property / Symbols used: Q12132 / rank
 
Normal rank
Property / Symbols used: Q12132 / qualifier
 
Defining formula:

s ⁡ ( n , k ) Stirling-number-first-kind-S 𝑛 𝑘 {\displaystyle{\displaystyle s\left(\NVar{n},\NVar{k}\right)}}

\Stirlingnumbers@{\NVar{n}}{\NVar{k}}
Property / Symbols used: Q12132 / qualifier
 
xml-id: C26.S8.SS1.p1.m5akdec

Revision as of 13:53, 2 January 2020

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DLMF:26.8.E19
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    Statements

    Defining formula
    ( k h ) ⁢ s ⁡ ( n , k ) = ∑ j = k - h n - h ( n j ) ⁢ s ⁡ ( n - j , h ) ⁢ s ⁡ ( j , k - h ) , binomial 𝑘 ℎ Stirling-number-first-kind-S 𝑛 𝑘 superscript subscript 𝑗 𝑘 ℎ 𝑛 ℎ binomial 𝑛 𝑗 Stirling-number-first-kind-S 𝑛 𝑗 ℎ Stirling-number-first-kind-S 𝑗 𝑘 ℎ {\displaystyle{\displaystyle\genfrac{(}{)}{0.0pt}{}{k}{h}s\left(n,k\right)=% \sum_{j=k-h}^{n-h}\genfrac{(}{)}{0.0pt}{}{n}{j}s\left(n-j,h\right)s\left(j,k-h% \right),}}
    0 references
    DLMF id
    DLMF:26.8.E19
    0 references
    constraint
    n ≥ k ≥ h 𝑛 𝑘 ℎ {\displaystyle{\displaystyle n\geq k\geq h}}
    0 references
    Symbols used
    Q12132
    Defining formula
    s ⁡ ( n , k ) Stirling-number-first-kind-S 𝑛 𝑘 {\displaystyle{\displaystyle s\left(\NVar{n},\NVar{k}\right)}}
    xml-id
    C26.S8.SS1.p1.m5akdec
    0 references
     
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