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

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

Offset

1,1

Comments

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

Links

Table of n, a(n) for n=1..10.

Eric Weisstein's World of Mathematics, Full Reptend Prime

Formula

Denominator[A086018/A006880]

Example

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

Crossrefs

Cf. A005596, A006880, A086018, A103362.

Sequence in context: A082202 A283452 A051514 * A111446 A114390 A114392

Adjacent sequences: A103360 A103361 A103362 * A103364 A103365 A103366

Keyword

nonn,frac,hard,more

Author

Eric W. Weisstein, Feb 02 2005

Status

approved