A145633 Numerator of the polynomial A_l(x) = sum_{d=1..l-1} x^(l-d)/d for index l=2n+1 evaluated at x=13.

351, 356629, 100451221, 237667596101, 361492413720217, 672014397106339313, 113570433110971729997, 7677361278301689081731, 7352352984186917577941057, 118042027161120961713900643051, 6649700863409814176549753413113

Offset

1,1

Comments

For denominators see A145634. For general properties of A_l(x) see A145609.

Links

Table of n, a(n) for n=1..11.

Mathematica

m = 13; aa = {}; Do[k = 0; Do[k = k + m^(2 r + 1 - d)/d, {d, 1, 2 r}]; AppendTo[aa, Numerator[k]], {r, 1, 25}]; aa (*Artur Jasinski*)

Crossrefs

Cf. A145609 - A145640.

Sequence in context: A221294 A220686 A167820 * A252250 A235888 A256025

Adjacent sequences: A145630 A145631 A145632 * A145634 A145635 A145636

Keyword

frac,nonn

Author

Artur Jasinski, Oct 14 2008

Extensions

Edited by R. J. Mathar, Aug 21 2009

Status

approved