OFFSET
0,2
COMMENTS
The first 11 terms are the same as the least common multiples in A051539.
MATHEMATICA
Table[Denominator[Total[1/Range[1, 4n+1, 4]]], {n, 0, 20}]
CROSSREFS
KEYWORD
easy,frac,nonn
AUTHOR
T. D. Noe, Aug 04 2004
STATUS
approved