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Search: id:A125503
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| A125503 |
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Smallest number k such that the numerator of generalized harmonic number H(k,n) = Sum[ 1/i^n, {i,1,k} ] is a prime. |
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1
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| 2, 2, 3, 2, 23, 73, 15, 2, 3, 5, 13, 57, 3, 171, 5, 2, 21, 7, 55, 152, 26
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