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A084297
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Primes p=prime(m) such that pi(m*p)/m is integer.
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2
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2, 5, 211, 457, 1223, 3943, 130259, 167953, 468473, 721159, 927317, 2026061, 7066487
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OFFSET
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1,1
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LINKS
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FORMULA
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MATHEMATICA
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Do[s=PrimePi[n*Prime[n]]/n; If[IntegerQ[s], Print[Prime[n]]], {n, 1, 100000}]
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CROSSREFS
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KEYWORD
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nonn,more
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AUTHOR
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EXTENSIONS
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STATUS
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approved
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