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 A192655 #16 Oct 22 2024 05:38:28 %S A192655 1,1,2,4,8,15,30,58,113,220,429,839,1644,3224,6333,12454,24516,48307, %T A192655 95263,188003,371276,733660,1450551,2869395,5678697,11243247,22269228, %U A192655 44124136,87456792,173399153,343896178,682223096,1353744488,2686899408,5334139244,10591802387 %N A192655 Floor-Sqrt transform of central binomial coefficients (A000984). %H A192655 Vincenzo Librandi, <a href="/A192655/b192655.txt">Table of n, a(n) for n = 0..1000</a> %F A192655 a(n) = floor(sqrt(binomial(2*n,n))). %F A192655 a(n) = A000196(A000984(n)). - _Jason Yuen_, Oct 21 2024 %t A192655 Table[Floor[Sqrt[Binomial[2n,n]]],{n,0,100}] %o A192655 (Maxima) makelist(floor(sqrt(binomial(2*n,n))),n,0,24); %o A192655 (Magma) [Floor(Sqrt(Binomial(2*n,n))): n in [0..40]]; // _Vincenzo Librandi_, Apr 01 2012 %o A192655 (PARI) a(n) = sqrtint(binomial(2*n,n)) \\ _Jason Yuen_, Oct 21 2024 %Y A192655 Cf. A000196, A000984. %K A192655 nonn,easy %O A192655 0,3 %A A192655 _Emanuele Munarini_, Jul 07 2011