A145638 Denominator the polynomial A_l(x) = sum_{d=1..l-1} x^(l-d)/d for index l=2n+1 evaluated at x=14.

1, 6, 15, 60, 45, 990, 6435, 10296, 43758, 4157010, 2078505, 191222460, 239028075, 1434168450, 20795442525, 10314539492400, 2578634873100, 1289317436550, 23852372576175, 95409490304700, 977947275623175, 84103465703593050

Offset: 1

Author

Artur Jasinski, Oct 16 2008

Keywords

• frac
• nonn

Comments

For numerators see A145635. For general properties of A_l(x) see A145609.

m^(2n)Log[m/(m-1)]-A[1,2n+1](m)

Crossrefs

Cf. A145609 - A145640.

Programs

Mathematica

m = 14; aa = {}; Do[k = 0; Do[k = k + m^(2 r + 1 - d)/d, {d, 1, 2 r}]; AppendTo[aa, Denominator[k]], {r, 1, 30}]; aa (*Artur Jasinski*)

Extensions

Edited by R. J. Mathar, Aug 21 2009