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!)
A088650 a(n) is the smallest x such that A020498(k) + x is prime for all k = 1 to n. 0

%I #11 Jun 04 2024 05:30:18

%S 1,2,4,4,4,4,10,10,10,10,10,10,10,10,10,10,10,10,10,10,10,10,10,10

%N a(n) is the smallest x such that A020498(k) + x is prime for all k = 1 to n.

%C Is the sequence finite?

%e a(4)= 4 and the primes arising are 5, 7, 11, and 13.

%Y Cf. A020498.

%K more,nonn,hard

%O 1,2

%A _Amarnath Murthy_, Oct 29 2003

%E Corrected and extended by _Max Alekseyev_, Aug 23 2013

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 September 3 07:27 EDT 2024. Contains 375649 sequences. (Running on oeis4.)