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 A168575 #11 Dec 31 2018 14:01:58
%S A168575 8,1331,1030301,1003003001,1000300030001,1000030000300001,
%T A168575 1000003000003000001,1000000300000030000001,1000000030000000300000001,
%U A168575 1000000003000000003000000001,1000000000300000000030000000001
%N A168575 a(n) = (10^n + 1)^3.
%H A168575 G. J. Simmons, <a href="/A002778/a002778.pdf">On palindromic squares of non-palindromic numbers</a>, J. Rec. Math., 5 (No. 1, 1972), 11-19. [Annotated scanned copy] See Table 4.
%H A168575 <a href="/index/Rec#order_04">Index entries for linear recurrences with constant coefficients</a>, signature (1111,-112110,1111000,-1000000).
%t A168575 Table[(10^n+1)^3, {n,0,25}] (* _G. C. Greubel_, Jul 26 2016 *)
%t A168575 LinearRecurrence[{1111,-112110,1111000,-1000000},{8,1331,1030301,1003003001},20] (* _Harvey P. Dale_, Dec 31 2018 *)
%o A168575 (PARI) for(n=0,12,print1((10^n+1)^3","))
%K A168575 easy,nonn
%O A168575 0,1
%A A168575 _Jason Earls_, Nov 30 2009