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A103352
Denominators of sum_{k=1..n} 1/k^9 = Zeta(9,n).
3
1, 512, 10077696, 5159780352, 10077696000000000, 373248000000000, 15061903105536000000000, 7711694390034432000000000, 4098310578334288576512000000000, 4098310578334288576512000000000
OFFSET
1,2
COMMENTS
For the numerators, comments and a link reference see A103351.
MATHEMATICA
s=0; lst={}; Do[s+=n^1/n^10; AppendTo[lst, Denominator[s]], {n, 3*4!}]; lst (* Vladimir Joseph Stephan Orlovsky, Jan 24 2009 *)
Table[ HarmonicNumber[n, 9] // Denominator, {n, 1, 10}] (* Jean-François Alcover, Dec 04 2013 *)
CROSSREFS
Sequence in context: A330484 A283935 A016833 * A013848 A227607 A016881
KEYWORD
nonn,frac,easy
AUTHOR
Wolfdieter Lang, Feb 15 2005
STATUS
approved