OFFSET
1,1
LINKS
Harvey P. Dale, Table of n, a(n) for n = 1..1000
FORMULA
a(n) = Sum_{i=1..n} A071904(i).
MATHEMATICA
Accumulate[Select[Range[9, 191, 2], CompositeQ]] (* Requires Mathematica version 10 or later *) (* Harvey P. Dale, Jun 09 2017 *)
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
R. J. Mathar, Sep 09 2015
STATUS
approved