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!)
A216824 Largest prime factor of the n-th Giuga number A007850(n). 3

%I #13 Jan 26 2014 12:24:30

%S 5,13,41,59,47057,4447,775807,713863,29133437,3892535183,110725121051,

%T 1456230512169437

%N Largest prime factor of the n-th Giuga number A007850(n).

%C See A007850 for comments, references, and links.

%e A007850(1) = 30 = 2*3*5 is the first Giuga number, so a(1) = 5.

%Y Cf. A007850, A216823, A236434.

%K nonn,hard,more

%O 1,1

%A _Jonathan Sondow_, Sep 17 2012

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 25 13:41 EDT 2024. Contains 371970 sequences. (Running on oeis4.)