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!)
A020620 Smallest nonempty set S containing prime divisors of 8k+7 for each k in S. 0

%I #6 Mar 30 2012 18:35:15

%S 3,5,11,13,17,19,23,29,31,37,41,47,53,61,67,71,83,97,101,109,163,181,

%T 191,239,263,293,307,383,431,691,821,2111,2351

%N Smallest nonempty set S containing prime divisors of 8k+7 for each k in S.

%K nonn,fini,full

%O 1,1

%A _David W. Wilson_

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 April 20 07:26 EDT 2024. Contains 371799 sequences. (Running on oeis4.)