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!)
A103363 Reduced denominators of the fraction of primes < 10^n that are full reptend primes. 2

%I #5 Aug 15 2015 10:30:49

%S 4,25,14,1229,9592,39249,664579,5761455,50847534,455052511

%N Reduced denominators of the fraction of primes < 10^n that are full reptend primes.

%C A103362/A103363 is conjectured to approach Artin's constant A005596.

%H Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/FullReptendPrime.html">Full Reptend Prime</a>

%F Denominator[A086018/A006880]

%e 1/4, 9/25, 5/14, 467/1229, 3617/9592, 14750/39249, ...

%Y Cf. A005596, A006880, A086018, A103362.

%K nonn,frac,hard,more

%O 1,1

%A _Eric W. Weisstein_, Feb 02 2005

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 24 08:59 EDT 2024. Contains 371935 sequences. (Running on oeis4.)