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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.

A192656 Partial sums of the Floor-Sqrt transform of central binomial coefficients.

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%I A192656 #9 Jun 25 2022 03:35:19
%S A192656 1,2,4,8,16,31,61,119,232,452,881,1720,3364,6588,12921,25375,49891,
%T A192656 98198,193461,381464,752740,1486400,2936951,5806346,11485043,22728290,
%U A192656 44997518,89121654,176578446,349977599,693873777,1376096873,2729841361,5416740769,10750880013,21342682400
%N A192656 Partial sums of the Floor-Sqrt transform of central binomial coefficients.
%F A192656 a(n) = Sum_{k=0..n} floor(sqrt(binomial(2*k,k))).
%t A192656 Table[Sum[Floor[Sqrt[Binomial[2k,k]]],{k,0,n}],{n,0,100}]
%o A192656 (Maxima) makelist(sum(floor(sqrt(binomial(2*k,k))),k,0,n),n,0,24);
%Y A192656 Partial sums of A192655.
%K A192656 nonn
%O A192656 0,2
%A A192656 _Emanuele Munarini_, Jul 07 2011