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 A354077 #22 Oct 02 2022 22:48:08 %S A354077 2,3,0,2,8,4,7,1,3,4,3,6,3,7,7,3,9,1,2,7,5,8,7,6,8,0,3,3,1,4,5,6,2,3, %T A354077 8,0,9,0,4,1,3,8,9,9,5,3,4,9,7,9,3,3,5,3,8,5,4,3,2,7,9,2,7,5,6,0,5,8, %U A354077 4,1,2,2,0,0,5,1,9,0,4,5,3,6,3,9,5,1,6,3,5,9,9,4,2,8 %N A354077 Decimal expansion of Pi/2 + sqrt(3) - 1. %C A354077 This is the perimeter of a single piece in the shape presented in Talwalkar's video. %H A354077 Presh Talwalkar, <a href="https://www.youtube.com/watch?v=o_Ija56tEkc">What is the perimeter of a single shape?</a>, YouTube video, 2022. %H A354077 <a href="/index/Tra#transcendental">Index entries for transcendental numbers</a> %F A354077 Equals A019669 + A002194 - 1. %e A354077 2.302847134363773912758768033145623809041... %t A354077 RealDigits[(Pi/2)+Sqrt[3]-1, 10, 120][[1]] %o A354077 (PARI) (Pi/2)+sqrt(3)-1 %o A354077 (Maxima) fpprec: 100$ ev(bfloat((%pi/2)+sqrt(3)-1)); %Y A354077 Cf. A000796, A019669, A002194. %K A354077 nonn,cons %O A354077 1,1 %A A354077 _Christoph B. Kassir_, Aug 21 2022