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Search: id:A092675
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| A092675 |
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Primes of the form 80*R_n + 1, where R_n is the repunit (A002275) of length n. |
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2
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| 881, 8888888888888888881, 8888888888888888888888888888888888888888888888888888888888888888888888888888881
(list; graph; listen)
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