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 A135661 #21 Sep 25 2024 23:12:54
%S A135661 0,0,0,0,0,0,0,0,0,1,1,1,1,1,1,1,1,1,1,1,1,1,1,2,2,2,2,2,2,2,2,2,2,2,
%T A135661 2,2,2,2,2,2,2,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,4,4,4,4,4,
%U A135661 4,4,4,4,4,4,4,4,4,4
%N A135661 a(n) = floor(sqrt(n) - n^(1/3)).
%H A135661 Vincenzo Librandi, <a href="/A135661/b135661.txt">Table of n, a(n) for n = 1..1000</a>
%t A135661 Table[Floor[n^(1/2) - n^(1/3)], {n, 100}] (* _Vincenzo Librandi_, Feb 18 2013 *)
%o A135661 (Magma) [Floor(n^(1/2)-n^(1/3)): n in [1..100]]; // _Vincenzo Librandi_, Feb 18 2013
%Y A135661 Cf. A000196, A048766, A134914, A135660.
%K A135661 nonn,easy
%O A135661 1,24
%A A135661 _Mohammad K. Azarian_, Nov 25 2007
%E A135661 Offset corrected by _M. F. Hasler_, Nov 17 2008