A049482 Primes p such that p + 210 is also prime.
13, 17, 19, 23, 29, 31, 41, 47, 53, 59, 61, 67, 71, 73, 83, 97, 101, 103, 107, 127, 137, 139, 149, 157, 163, 173, 179, 191, 199, 211, 223, 229, 233, 239, 251, 257, 269, 277, 281, 293, 311, 313, 331, 337, 347, 353, 359, 367, 383, 389, 397, 409, 421, 431, 433
Offset: 1
Keywords
Examples
Both 13 and 13 + 210 = 223 are prime.
Links
- Charles R Greathouse IV, Table of n, a(n) for n = 1..10000
Programs
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Mathematica
Select[Prime@ Range@ 84, PrimeQ[# + 210] &] (* Michael De Vlieger, Jun 29 2017 *)
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PARI
list(lim)=my(v=List()); forprime(p=2,lim, if(isprime(p+210), listput(v,p))); Vec(v) \\ Charles R Greathouse IV, Feb 23 2017
Formula
a(n) >> n log^2 n. - Charles R Greathouse IV, Feb 23 2017