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 A077120 #8 Nov 21 2013 12:47:54
%S A077120 0,1,72,675,4096,15125,48600,123823,270848,531441,1024000,1724976,
%T A077120 3048192,4853173,7419776,11353500,16777216,24073700,33685632,47251651,
%U A077120 63368000,85349376,112964632,147220700,192485376,244140625
%N A077120 n^3 times nearest integer square to n^3.
%F A077120 a(n) = A000578(n)*A077118(n).
%t A077120 n3ts[n_]:=Module[{n3=n^3,a,b,sr},sr=Sqrt[n3];a=(Floor[sr])^2;b=(Ceiling[ sr])^2;If[n3-a<b-n3,n3*a,n3*b]]; Array[n3ts,30,0] (* _Harvey P. Dale_, Nov 27 2011 *)
%K A077120 nonn
%O A077120 0,3
%A A077120 _Reinhard Zumkeller_, Oct 29 2002