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 A378911 #5 Dec 11 2024 09:27:45 %S A378911 2,5,3,3,7,3,7,2,7,9,4,8,5,8,4,1,9,0,9,5,8,3,2,8,9,6,3,4,0,4,1,8,6,3, %T A378911 2,9,1,6,8,9,6,3,0,8,0,8,8,4,2,0,3,0,3,1,2,6,1,1,9,8,2,3,9,4,7,4,2,4, %U A378911 7,1,1,5,9,1,0,0,4,2,4,9,7,3,3,7,7,1,8,3,0,1,2,7,6,4,8,1,3,5,6,5 %N A378911 Decimal expansion of sqrt(2)*exp(2*G/Pi), where G = A006752. %D A378911 Steven R. Finch, Mathematical Constants, Encyclopedia of Mathematics and its Applications, vol. 94, Cambridge University Press, 2003, Section 3.10, p. 233. %e A378911 2.5337372794858419095832896340418632916896308088420... %t A378911 RealDigits[Sqrt[2]*Exp[2Catalan/Pi],10,100][[1]] %Y A378911 Cf. A000796, A002193, A006752, A060294, A130834, A143233, A221209, A378910. %K A378911 nonn,cons %O A378911 1,1 %A A378911 _Stefano Spezia_, Dec 10 2024