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 A135662 #14 Sep 08 2022 08:45:32
%S A135662 0,1,1,1,1,1,2,2,2,2,2,2,2,2,2,2,3,3,3,3,3,3,3,3,3,3,3,3,4,4,4,4,4,4,
%T A135662 4,4,4,4,4,4,4,4,4,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,6,6,6,6,6,6,6,6,
%U A135662 6,6,6,6,6,6,6,6,6,6
%N A135662 a(n) = ceiling(sqrt(n) - n^(1/4)).
%H A135662 Vincenzo Librandi, <a href="/A135662/b135662.txt">Table of n, a(n) for n = 1..1000</a>
%t A135662 Table[Ceiling[n^(1/2) - n^(1/4)], {n, 100}] (* _Vincenzo Librandi_, Feb 16 2013 *)
%o A135662 (Magma)[Ceiling(n^(1/2) - n^(1/4)): n in [1..100]]; // _Vincenzo Librandi_, Feb 16 2013
%Y A135662 Cf. A000196, A048766, A134914, A135660, A135661.
%K A135662 nonn,easy
%O A135662 1,7
%A A135662 _Mohammad K. Azarian_, Nov 25 2007
%E A135662 Offset corrected by _M. F. Hasler_, Nov 17 2008