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 A192674 #7 Aug 14 2025 13:52:28
%S A192674 1,1,3,7,17,41,94,220,515,1209,2845,6711,15861,37549,89015,211287,
%T A192674 502051,1194083,2842413,6771220,16141369,38501639,91888052,219411132,
%U A192674 524154756,1252695124,2995034616,7163349548,17138661276,41017945745,98196952422,235147807457,563242204233
%N A192674 Floor-Sqrt transform of large central Delannoy numbers (A001850).
%F A192674 a(n) = floor(sqrt(centralDelannoy(n))).
%t A192674 FSFromSeries[f_,x_,n_] := Map[Floor[Sqrt[#]]&,CoefficientList[Series[f,{x,0,n}],x]]
%t A192674 FSFromSeries[1/Sqrt[1-6x+x^2],x,100]
%K A192674 nonn
%O A192674 0,3
%A A192674 _Emanuele Munarini_, Jul 07 2011