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 A172472 #11 Sep 08 2022 08:45:50
%S A172472 0,1,4,7,11,15,20,26,32,38,44,51,58,66,74,82,90,99,108,117,126,136,
%T A172472 145,155,166,176,187,198,209,220,232,244,256,268,280,292,305,318,331,
%U A172472 344,357,371,384,398,412,426,441,455,470,485,500,515,530,545,561,576,592
%N A172472 a(n) = floor(sqrt(2*n^3)).
%H A172472 Vincenzo Librandi, <a href="/A172472/b172472.txt">Table of n, a(n) for n = 0..1000</a>
%t A172472 Table[Floor[Sqrt[2 n^3]], {n, 0, 60}] (* _Vincenzo Librandi_, Aug 20 2014 *)
%o A172472 (Magma) [Floor(Sqrt(2*n^3)): n in [0..60]]; // _Vincenzo Librandi_, Aug 20 2014
%o A172472 (PARI) vector(100, n, n--; floor(sqrt(2*n^3))) \\ _G. C. Greubel_, Aug 18 2018
%K A172472 nonn
%O A172472 0,3
%A A172472 _Vincenzo Librandi_, Feb 04 2010