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A262044
Partial sum of the first n odd composite numbers.
2
9, 24, 45, 70, 97, 130, 165, 204, 249, 298, 349, 404, 461, 524, 589, 658, 733, 810, 891, 976, 1063, 1154, 1247, 1342, 1441, 1546, 1657, 1772, 1889, 2008, 2129, 2252, 2377, 2506, 2639, 2774, 2915, 3058, 3203, 3350, 3503, 3658, 3817, 3978, 4143, 4312
OFFSET
1,1
COMMENTS
Intersection with A002113 gives A058850.
LINKS
FORMULA
a(n) = Sum_{i=1..n} A071904(i).
MAPLE
A262044 := proc(n)
add(A071904(i), i=1..n) ;
end proc:
MATHEMATICA
Accumulate[Select[Range[9, 191, 2], CompositeQ]] (* Requires Mathematica version 10 or later *) (* Harvey P. Dale, Jun 09 2017 *)
CROSSREFS
Cf. A058850.
Sequence in context: A212462 A161449 A063066 * A362420 A097658 A067725
KEYWORD
nonn,easy
AUTHOR
R. J. Mathar, Sep 09 2015
STATUS
approved