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!)
A046271 Largest prime substring in 5^n (0 if none). 2

%I

%S 0,5,5,5,5,31,5,7,5,19531,97,281,2441,12207031,103,305175781,58789,

%T 94531,3814697,63281,95367431,6837158203,5791,9209289550781,

%U 60464477539,953,901161193,450580596923,2529029846191

%N Largest prime substring in 5^n (0 if none).

%Y Cf. A046263.

%K nonn

%O 0,2

%A _Patrick De Geest_, Jun 15 1998

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 June 27 10:04 EDT 2022. Contains 354896 sequences. (Running on oeis4.)