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 A073262 #13 Jan 14 2025 06:04:00
%S A073262 4,10,18,63,132,3692,8025,9200,13205,16275,287382,1674342,13852716,
%T A073262 261109560,509099424,53226407187,339194408709,63673280091408,
%U A073262 230160748303410,9613333448250222,14247374595414090,446710602178803172
%N A073262 Partial sums of first m composite numbers arising in A053781.
%C A073262 Required to extend A053781 without recomputation.
%F A073262 a(n)/A053781(n) is an integer.
%t A073262 c[x_] := FixedPoint[x+PrimePi[ # ]+1&, x] t=Table[0, {256}]; s=0; k=0; Do[s=s+c[n]; If[IntegerQ[s/n], k=k+1; t[[k]]=s; Print[s]], {n, 1, 12000000}] t
%Y A073262 Cf. A053781, A073263.
%K A073262 nonn
%O A073262 1,1
%A A073262 _Labos Elemer_, Jul 22 2002
%E A073262 a(17)-a(19) from _Klaus Brockhaus_, Aug 12 2009
%E A073262 a(20)-a(22) from _Ray Chandler_, Jul 19 2010