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A091852
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Numerator of Sum_{i=1..n} prime(i)/prime(i+1).
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2
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2, 19, 208, 3023, 52004, 1079263, 24845332, 663589691, 21809669044, 769910292199, 31595368408378, 1432693760237483, 67842962092519574, 3469898586979325623, 198354535000733806154, 12566530264688830748431
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OFFSET
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1,1
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COMMENTS
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Proposed by Mohammed BOUAYOUN, Feb 16 2004; computed by R. K. Guy, Feb 17 2004
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LINKS
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EXAMPLE
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The sums are f(1)=2/3, f(2)=2/3 + 3/5, f(3)=2/3+3/5+5/7, f(4)=2/3+3/5+5/7+7/11, ...
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MATHEMATICA
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CROSSREFS
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KEYWORD
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nonn,frac
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AUTHOR
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EXTENSIONS
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STATUS
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approved
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