login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 

Logo
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A088734 First primes in p^p - 2m where p is prime and m = 1,2.. 0

%I #3 Oct 01 2013 17:57:45

%S 2,23,3119,19,17,302875106592241,13,11,827240261886336764159,7,5,3,

%T 1978419655660313589123947,3089,3083,823499,3079,

%U 10555134955777783414078330085995832946127396083370199442469,823489

%N First primes in p^p - 2m where p is prime and m = 1,2..

%C Conjecture: 2,3,5,7,11,13,17,19 are the only 1 and 2 digit primes in the sequence. The smallest 8 prime power less 2n primes PPL2NP?

%o (PARI) primeptop2n(n) = { forstep(m=2,n,2, forprime(x=2,n, y=x^x-m; if(isprime(y),print1(y",");break); ) ) }

%K nonn

%O 2,1

%A _Cino Hilliard_, Nov 23 2003

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recents
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified July 14 10:28 EDT 2024. Contains 374318 sequences. (Running on oeis4.)