[seqfan] Re: Sum of three averages of twin prime pairs

Giovanni Resta g.resta at iit.cnr.it
Tue Jul 30 10:43:35 CEST 2013


On 07/28/2013 10:06 AM, юрий герасимов wrote:
>
> Dear SegFans,
> Primes p such that 2p is not the sum of exactly three (not necessarily
> distinct) averages of twin prime pairs: 2, 3, 5, 31, 37, 61, 67, 109,...
>
> What is the next one? Does the lattr exist in OEIS?

2, 3, 5, 31, 37, 43, 61, 67, 97, 109, 127, 151, 157, 163, 181, 193,
199, 211, 223, 229, 241, 271, 277, 283, 307, 331, 337, 349, 367, 373,
379, 397, 421, 439, 457, 463, 487, 499, 523, 541, 547, 571, 577, 601,
607, 613, 631, 661, 673, 691, 709, 727, 733, 739, 751, 757, 769, 787,
811, 823, 829, 859, 877, 883, 907, 919, 937, 967, 991, 997, 1009

But this is just to satisfy your curiosity. I think this has a
too contrived definition to be worth adding.

g.




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