[seqfan] Re: 3, 251,?

[Giovanni Resta]

On 06/13/2013 07:53 PM, юрий герасимов wrote:
>
> Hello, Seqfans,
> primes p such that both prevprime(n^2) - 2 and nextprime(p^2) + 2 are
> also primes: 3, 251,...
> What is the next one?

The first ones are
3, 251, 409, 647, 1031, 1669, 6469, 6679, 12043, 18313, 18517, 31583,
31643, 32957, 33479, 33529, 37783, 39733, 40163, 44071, 58441, 67189,
68279, 83009, 83117, 83423, 87671, 90481, 96001, 98479, 112951,
120011, 130211, 149939, 152297, 155663, 156227, 158293

Giovanni