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 A163286 #13 Jun 10 2025 20:52:55
%S A163286 15,28,88,245,396,979,1505,3421,44567,62377,225638,307077,415910,
%T A163286 1006279,4059132,6924325,66615465,107240563,135624475,270973120,
%U A163286 425688314,663855038,1581563676,2417635935,2982269752,3673314756,4517918038,5548822508,8335344604,15194335989
%N A163286 a(n) = A154796(n)/2.
%H A163286 G. C. Greubel, <a href="/A163286/b163286.txt">Table of n, a(n) for n = 1..1000</a>
%t A163286 (1/2)*Reap[Do[If[EvenQ[p = PartitionsP[n]], Sow[p]], {n, 1, 500, 2}]][[2, 1]] (* _G. C. Greubel_, Dec 17 2016 *)
%o A163286 (PARI) lista(nn) = for (n=1, nn, if (((p = numbpart(2*n+1)) % 2) == 0, print1(p/2, ", "))); \\ _Michel Marcus_, Dec 17 2016
%Y A163286 Cf. A000041, A154796, A163096.
%K A163286 nonn
%O A163286 1,1
%A A163286 _Omar E. Pol_, Aug 09 2009
%E A163286 More terms from _R. J. Mathar_, Sep 27 2009