A089160 Numbers k such that 30*k + 11 and 30*k + 13 are twin primes.
0, 1, 2, 3, 6, 9, 10, 14, 15, 17, 21, 27, 29, 34, 35, 36, 38, 43, 48, 49, 57, 62, 64, 69, 70, 71, 79, 86, 90, 93, 108, 112, 115, 119, 122, 127, 128, 133, 136, 141, 142, 147, 149, 157, 164, 167, 174, 181, 183, 188, 191, 204, 218, 223, 225, 226, 240, 244, 274, 276, 295
Offset: 1
Examples
30*3 + 11 = 101, 30*3 + 13 = 103; 101 and 103 are twin primes.
Links
- Amiram Eldar, Table of n, a(n) for n = 1..10000
Programs
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Magma
[n: n in [0..10000]|IsPrime(30*n+11)and IsPrime(30*n+13)] // Vincenzo Librandi, Nov 16 2010
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Mathematica
Select[Range[0,300],And@@PrimeQ[{30#+11,30#+13}]&] (* Harvey P. Dale, Aug 15 2011 *)