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A116016
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n+prime(n)+prime(prime(n)) is a cube, where prime(n) is the n-th prime.
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1
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OFFSET
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1,1
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LINKS
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EXAMPLE
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34780+prime(34780)+prime(prime(34780)) = 6434856 = 186^3.
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PROG
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(PARI) isok(n) = ispower(n + prime(n) + prime(prime(n)), 3); \\ Michel Marcus, Jan 27 2014
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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