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 A125733 #8 Dec 11 2019 05:05:24 %S A125733 1,2,4,8,5,16,18,32,36,11,64,72,100,128,68,144,38,162,23,196,200,256, %T A125733 288,324,392,400,450,512,576,648,369,374,47,784,800,882,221,900,968, %U A125733 1024,1152,1296,1352,1458,1568,1600,1764,1800,1936,2048,536,2178,284,2304 %N A125733 a(n) gives k numbers from A125732. %H A125733 Amiram Eldar, <a href="/A125733/b125733.txt">Table of n, a(n) for n = 1..500</a> %F A125733 a(n) = A125732(n)/A103977(A125732(n)). - _Amiram Eldar_, Dec 11 2019 %t A125733 midi[n_] := Module[{d = Divisors[n], c, p, m}, c = CoefficientList[Product[1 + x^i, {i, d}], x]; p = -1 + Position[c, _?(# > 0 &)] // Flatten; m = Length[p]; If[OddQ[m], If[(d = p[[(m + 1)/2]] - p[[(m - 1)/2]]) == 1, 0, d], p[[m/2 + 1]] - p[[m/2]]]]; s = {}; Do[m = midi[n]; If[m > 0 && Divisible[n, m], AppendTo[s, n/m]], {n, 1, 2000}]; s (* _Amiram Eldar_, Dec 11 2019 *) %Y A125733 Cf. A103977, A125732. %K A125733 nonn %O A125733 1,2 %A A125733 _Yasutoshi Kohmoto_, Jan 01 2007 %E A125733 a(7) corrected and more terms added by _Amiram Eldar_, Dec 11 2019