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 A243447 #9 Sep 28 2022 13:58:13 %S A243447 5,5,9,4,6,7,2,0,3,7,9,7,3,6,7,0,1,3,7,9,5,6,8,6,3,1,3,9,8,0,1,7,0,0, %T A243447 9,1,5,4,3,6,2,4,8,3,4,3,5,1,2,6,6,3,0,7,0,3,5,1,7,9,9,6,1,8,8,0,4,7, %U A243447 9,5,6,2,3,8,0,6,1,5,4,8,9,5,1,4,6,7,7,9,0,1,9,6,3,4,4,6,5,5,7,8 %N A243447 Decimal expansion of 1-9/(4*Pi)+sqrt(3)/(2*Pi), an extreme value constant. %C A243447 Variance of the maximum of a size 3 sample from a normal (0,1) distribution. %D A243447 Steven R. Finch, Mathematical Constants, Cambridge University Press, 2003, Section 5.16 Extreme value constants, p. 365. %H A243447 <a href="/index/Tra#transcendental">Index entries for transcendental numbers</a> %e A243447 0.55946720379736701379568631398017... %t A243447 RealDigits[1 - 9/(4*Pi) + Sqrt[3]/(2*Pi), 10, 100] // First %o A243447 (PARI) 1-9/4/Pi + sqrt(3)/2/Pi \\ _Charles R Greathouse IV_, Sep 28 2022 %Y A243447 Cf. A087197, A188340, A243446. %K A243447 nonn,cons,easy %O A243447 0,1 %A A243447 _Jean-François Alcover_, Jun 05 2014