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 A176580 #7 May 15 2025 10:54:41
%S A176580 0,2,12,52,128,246,412,667,996,1458,1961,2627,3409,4313,5448,6739,
%T A176580 8192,9813,11608,13583,15921,18477,21257,24267,27513,31250,35000,
%U A176580 39283,43856,48725,53896,59375,65529,71658,78508,85724,93312,101278,109628,118368
%N A176580 n^3+Largest square, (Largest square <= n^3).
%C A176580 2^3+4=12,3^3+25=52,..
%H A176580 Harvey P. Dale, <a href="/A176580/b176580.txt">Table of n, a(n) for n = 1..1000</a>
%t A176580 r[n_]:=n^3;f[n_]:=r[n]+Floor[Sqrt[r[n]]]^2;Table[f[n],{n,0,5!}]
%t A176580 Table[n^3+Floor[Sqrt[n^3]]^2,{n,0,40}] (* _Harvey P. Dale_, May 15 2025 *)
%Y A176580 Cf. A065733, A077116
%K A176580 nonn
%O A176580 1,2
%A A176580 _Vladimir Joseph Stephan Orlovsky_, Apr 21 2010