This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A262044 #9 Aug 29 2022 17:00:37
%S A262044 9,24,45,70,97,130,165,204,249,298,349,404,461,524,589,658,733,810,
%T A262044 891,976,1063,1154,1247,1342,1441,1546,1657,1772,1889,2008,2129,2252,
%U A262044 2377,2506,2639,2774,2915,3058,3203,3350,3503,3658,3817,3978,4143,4312
%N A262044 Partial sum of the first n odd composite numbers.
%C A262044 Intersection with A002113 gives A058850.
%H A262044 Harvey P. Dale, <a href="/A262044/b262044.txt">Table of n, a(n) for n = 1..1000</a>
%F A262044 a(n) = Sum_{i=1..n} A071904(i).
%p A262044 A262044 := proc(n)
%p A262044 add(A071904(i),i=1..n) ;
%p A262044 end proc:
%t A262044 Accumulate[Select[Range[9,191,2],CompositeQ]] (* Requires Mathematica version 10 or later *) (* _Harvey P. Dale_, Jun 09 2017 *)
%Y A262044 Cf. A058850.
%K A262044 nonn,easy
%O A262044 1,1
%A A262044 _R. J. Mathar_, Sep 09 2015