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Search: id:A123488
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| A123488 |
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Smallest prime of the form (q^p-1)/(q-1), where p = Prime[n] and q is prime too (q = A123487[n]). |
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4
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| 3, 7, 31, 127, 12207031, 8191, 131071, 524287, 1484520425576434196455942238665054573307722183, 10333327940128053377465393536117755205850522803739374960650929
(list; graph; listen)
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