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 A192669 #9 Jul 30 2025 17:49:39
%S A192669 1,1,1,2,3,4,7,11,17,28,46,76,124,204,337,557,923,1535,2556,4266,7131,
%T A192669 11939,20019,33611,56504,95096,160218,270199,456095,770547,1302837,
%U A192669 2204486,3732769,6324750,10723278,18191510,30878276,52440601,89104745,151475242,257620263,438335394,746126537
%N A192669 Floor-Sqrt transform of Motzkin numbers (A001006).
%F A192669 a(n) = floor(sqrt(Motzkin(n))).
%t A192669 FSFromSeries[f_,x_,n_] := Map[Floor[Sqrt[#]]&,CoefficientList[Series[f,{x,0,n}],x]]
%t A192669 FSFromSeries[(1-x-Sqrt[1-2x-3x^2])/(2x^2),x,100]
%Y A192669 Cf. A001006.
%K A192669 nonn
%O A192669 0,4
%A A192669 _Emanuele Munarini_, Jul 07 2011