OFFSET
1,3
COMMENTS
FORMULA
MATHEMATICA
f[n_] := Sum[ HarmonicNumber[k] HarmonicNumber[n + 1 - k], {k, n}]; Table[ Denominator@ f@n, {n, 26}] (* Robert G. Wilson v, Jul 02 2007 *)
CROSSREFS
KEYWORD
frac,nonn
AUTHOR
Leroy Quet, Jun 07 2007
EXTENSIONS
More terms from Robert G. Wilson v, Jul 02 2007
STATUS
approved