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A103350 Denominators of sum_{k=1..n} 1/k^8 = Zeta(8,n). 4

%I

%S 1,256,1679616,429981696,167961600000000,167961600000000,

%T 968265199641600000000,247875891108249600000000,

%U 1626313721561225625600000000,1626313721561225625600000000

%N Denominators of sum_{k=1..n} 1/k^8 = Zeta(8,n).

%C For the numerators, comments and a link reference see A103349.

%t s=0;lst={};Do[s+=n^1/n^9;AppendTo[lst,Denominator[s]],{n,3*4!}];lst (* _Vladimir Joseph Stephan Orlovsky_, Jan 24 2009 *)

%t Table[ HarmonicNumber[n, 8] // Denominator, {n, 1, 10}] (* _Jean-Fran├žois Alcover_, Dec 04 2013 *)

%K nonn,frac,easy

%O 1,2

%A _Wolfdieter Lang_, Feb 15 2005

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Last modified November 28 05:30 EST 2021. Contains 349401 sequences. (Running on oeis4.)