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 A038596 #14 Nov 01 2013 09:30:02
%S A038596 169,784,2401,10816,21609,32761,35721,50176,123201,130321,150544,
%T A038596 153664,257049,301401,345744,456976,571536,692224,1058841,1382976,
%U A038596 1750329,1874161,2030625,2096704,2286144,2640625,3211264,3467044,3651921,3694084,5285401,5546025
%N A038596 Squares that are a difference between 2 positive cubes.
%H A038596 Donovan Johnson, <a href="/A038596/b038596.txt">Table of n, a(n) for n = 1..1000</a>
%F A038596 a(n) = A038597(n)^2. - _M. F. Hasler_, Oct 05 2013
%o A038596 (PARI) is(n)=for(k=sqrtnint(n,3)+1,(sqrtint(12*n-3)+3)\6,if(ispower(n-k^3,3), return(issquare(n)))); 0 \\ _Charles R Greathouse IV_, Oct 28 2013
%o A038596 (PARI) mm=820188; cb=vector(mm); for(i=1, mm, cb[i]=i^3); mb=1420608; v=vector(mb); mx=mb^2; for(i=1, mm-1, for(j=i+1, mm, d=cb[j]-cb[i]; if(d<=mx, if(issquare(d, &r), v[r]=1), next(2)))); c=0; for(n=1, mb, if(v[n]==1, c++; write("b038596.txt", c " " n^2))) \\ _Donovan Johnson_, Oct 31 2013
%Y A038596 Cf. A038593-A038598.
%K A038596 nonn
%O A038596 1,1
%A A038596 _Jeff Burch_
%E A038596 More terms from _Jud McCranie_