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Search: id:A145852
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| A145852 |
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Primes of the form k followed by a 0 and k 9's. |
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+0 2
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| 109, 2099, 409999, 1909999999999999999999, 2809999999999999999999999999999, 41099999999999999999999999999999999999999999
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