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A005383 Numbers n such that both n and (n+1)/2 are primes.
(Formerly M2492)
+0
38
3, 5, 13, 37, 61, 73, 157, 193, 277, 313, 397, 421, 457, 541, 613, 661, 673, 733, 757, 877, 997, 1093, 1153, 1201, 1213, 1237, 1321, 1381, 1453, 1621, 1657, 1753, 1873, 1933, 1993, 2017, 2137, 2341, 2473, 2557, 2593, 2797, 2857, 2917, 3061, 3217, 3253 (list; graph; listen)
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Last modified December 1 13:27 EST 2009. Contains 167806 sequences.


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