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A137288
Numbers n such that 2*p(n)-1 is prime, where p(n) is the n-th prime.
+0
1
1, 2, 4, 8, 11, 12, 22, 25, 34, 37, 46, 47, 50, 58, 63, 67, 68, 73, 75, 85, 95, 101, 106, 110, 111, 114, 121, 125, 129, 141, 145, 151, 159, 163, 168, 169, 180, 193, 203, 207, 211, 222, 226, 232, 242, 254, 258, 260, 274, 285
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Maintained by
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Last modified November 29 12:46 EST 2009. Contains 167659 sequences.
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