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A007670
Numbers n such that 2^n - 2^(n + 1)/2 + 1 is prime.
(Formerly M2703)
+0
7
3, 7, 47, 73, 79, 113, 151, 167, 239, 241, 353, 367, 457, 1367, 3041, 27529, 49207, 160423
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Maintained by
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Last modified December 8 08:31 EST 2009. Contains 170430 sequences.
AT&T Labs Research
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