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Search: id:A095714
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| A095714 |
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Numbers n such that 90*R_n + 1 is prime, where R_n = 11...1 is the repunit (A002275) of length n. |
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12
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| 3, 5, 7, 33, 45, 105, 197, 199, 281, 301, 317, 1107, 1657, 3395, 35925, 37597
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