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!)
A129244 Least K such that K*(prime(10*n)^(10*n))-1 is prime with prime(n)=n-th prime. 2

%I #8 Sep 16 2019 12:39:37

%S 14,20,200,98,42,132,908,432,1040,290,48,224,1370,462,146,110,398,402,

%T 152,264,770,1322,3030,692,1106

%N Least K such that K*(prime(10*n)^(10*n))-1 is prime with prime(n)=n-th prime.

%o (PARI) a(n) = {my(k=1); while (!isprime(k*(prime(10*n)^(10*n))-1), k++); k;} \\ _Michel Marcus_, Sep 16 2019

%Y Cf. A129243, A129245.

%K nonn,more

%O 1,1

%A _Pierre CAMI_, Apr 05 2007

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 May 9 12:06 EDT 2024. Contains 372350 sequences. (Running on oeis4.)