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

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

Offset

0,2

Links

Table of n, a(n) for n=0..7.

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

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 *)

Crossrefs

Cf. A002432.

Sequence in context: A152794 A053517 A296191 * A344395 A280305 A085506

Adjacent sequences: A114471 A114472 A114473 * A114475 A114476 A114477

Keyword

nonn,base,changed

Author

Eric W. Weisstein, Dec 01 2005

Extensions

a(7) from Vaclav Kotesovec, Mar 05 2016

Status

approved