DLMF:20.11.E3 (Q6844)

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DLMF:20.11.E3
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    Statements

    Defining formula
    f ⁢ ( a , b ) = ∑ n = - ∞ ∞ a n ⁢ ( n + 1 ) / 2 ⁢ b n ⁢ ( n - 1 ) / 2 , 𝑓 𝑎 𝑏 superscript subscript 𝑛 superscript 𝑎 𝑛 𝑛 1 2 superscript 𝑏 𝑛 𝑛 1 2 {\displaystyle{\displaystyle f(a,b)=\sum_{n=-\infty}^{\infty}a^{n(n+1)/2}b^{n(% n-1)/2},}}
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    DLMF id
    DLMF:20.11.E3
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    comment
    Warning: Falling back to standard tex;
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    Symbols used
    Q11947
    Defining formula
    n 𝑛 {\displaystyle{\displaystyle n}}
    xml-id
    C20.S1.XMD2.m1bdec
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