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A115964
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Denominator of Sum_{i=1..n} 1/prime(i)^3.
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11
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8, 216, 27000, 9261000, 12326391000, 27081081027000, 133049351085651000, 912585499096480209000, 11103427767506874702903000, 270801499821725167129101267000, 8067447481189014453943055845197000
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OFFSET
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1,1
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COMMENTS
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LINKS
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FORMULA
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a(n) = denominator of Sum_{i=1..n} 1/A000040(i)^3.
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EXAMPLE
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1/8, 35/216, 4591/27000, 1601713/9261000, 2141141003/12326391000, 4716413174591/27081081027000.
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MATHEMATICA
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CROSSREFS
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Cf. A024451 (numerator of sum_{i=1..n} 1/prime(i)), A002110 (primorial, also denominator of sum_{i=1..n} 1/prime(i)), A061015 (numerator of sum_{i=1..n} 1/prime(i)^2).
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KEYWORD
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easy,frac,nonn
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AUTHOR
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STATUS
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approved
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