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A111489 Numbers n such that the n-th composite number + the n-th prime number is prime. +0
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13, 31, 47, 67, 79, 89, 97, 103, 113, 149, 173, 179, 211, 223, 241, 277, 313, 349, 359, 379, 449, 457, 487, 503, 509, 631, 743, 769, 797, 809, 887, 937, 967, 1009, 1049, 1109, 1123, 1213, 1231, 1277, 1289, 1319, 1409, 1429, 1453, 1471, 1489, 1543, 1571, 1663 (list; graph; listen)
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Last modified November 27 22:38 EST 2009. Contains 167602 sequences.


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