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 A061259 #7 Oct 31 2015 16:47:27
%S A061259 1,5,10,25,36,80,106,201,280,460,617,1024,1314,2000,2685,3897,5050,
%T A061259 7280,9311,13020,16747,22665,28866,39000,48986,64654,81550,106124,
%U A061259 132386,171295,212103,271065,335345,423594,521046,655396,800570,997885
%N A061259 a(n)=Sum_{d|n} d*numbpart(d), where numbpart(d)=number of partitions of d, cf. A000041.
%H A061259 Reinhard Zumkeller, <a href="/A061259/b061259.txt">Table of n, a(n) for n = 1..1000</a>
%o A061259 (Haskell)
%o A061259 a061259 n = sum $ zipWith (*) divs $ map a000041 divs
%o A061259 where divs = a027750_row' n
%o A061259 -- _Reinhard Zumkeller_, Oct 31 2015
%Y A061259 Cf. A000041, A057660, A001001, A060640, A061258.
%Y A061259 Cf. A001970, A027750.
%K A061259 easy,nonn
%O A061259 1,2
%A A061259 _Vladeta Jovovic_, Apr 21 2001