A114474 Number of decimal digits in the denominator of Zeta(10^n).

1, 5, 133, 2277, 32660, 426486, 5264705, 62646781

Offset: 0

Author

Eric W. Weisstein, Dec 01 2005

Keywords

• nonn
• base

Links

• J. Sondow and E. W. Weisstein, MathWorld: Riemann Zeta Function

Crossrefs

Cf. A002432.

Programs

Mathematica

Table[ Floor[ Log[ 10, Denominator[ Zeta[ 10^n]]] + 1], {n, 0, 6}] (* Robert G. Wilson v, Dec 01 2005 *)
IntegerLength[Denominator[Zeta[10^Range[0,7]]]] (* Harvey P. Dale, Aug 18 2016 *)

Extensions

a(7) from Vaclav Kotesovec, Mar 05 2016