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：2025/11/29
Kempner series
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(mathematics) A modification of the harmonic series, formed by omitting all terms whose denominator expressed in base 10 contains the digit 9.
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Kempner series
The Kempner series, obtained by removing all harmonic series terms whose denominators contain the digit 9 when written in base ten, converges to a finite value.
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The Kempner series, obtained by removing all harmonic series terms whose denominators contain the digit 9 when written in base ten, converges to a finite value.
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