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A129244
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Least K such that K*(prime(10*n)^(10*n))-1 is prime with prime(n)=n-th prime.
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2
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14, 20, 200, 98, 42, 132, 908, 432, 1040, 290, 48, 224, 1370, 462, 146, 110, 398, 402, 152, 264, 770, 1322, 3030, 692, 1106
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OFFSET
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1,1
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LINKS
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PROG
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(PARI) a(n) = {my(k=1); while (!isprime(k*(prime(10*n)^(10*n))-1), k++); k; } \\ Michel Marcus, Sep 16 2019
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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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STATUS
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approved
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