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A090519 Smallest prime p such that floor[(10^n)/p] is prime, or 0 if no such number exists. +0
4
2, 13, 23, 13, 89, 19, 7, 47, 67, 13, 17, 157, 17, 313, 107, 409, 151, 773, 149, 409, 109, 13, 29, 211, 7, 19, 149, 431, 859, 43, 109, 167, 277, 13, 2293, 173, 907, 107, 1087, 617, 449, 1013, 73, 1249, 743, 109, 233, 499, 191, 479 (list; graph; listen)
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Last modified December 10 12:37 EST 2009. Contains 170569 sequences.


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