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 A370562 #13 Mar 17 2024 08:03:59 %S A370562 5,4,3,5,1,6,4,4,2,2,3,6,4,7,7,2,9,8,1,7,1,4,7,3,8,7,1,0,2,0,6,9,4,3, %T A370562 3,3,7,8,2,9,6,1,5,1,8,6,5,9,5,3,4,8,7,8,8,9,1,2,3,4,1,2,3,1,2,9,9,1, %U A370562 6,8,8,0,9,2,3,0,0,8,9,4,3,0 %N A370562 Decimal expansion of (2*Pi - 3*sqrt(3))/2. %C A370562 This constant is the difference of the area of a disk with radius 1 (length unit) and the inscribed regular hexagon. %F A370562 Equals (A019692 - A010482)/2. %F A370562 Equals Pi - 3*sqrt(3)/2 = A000796 - A104956. %e A370562 0.5435164422364772981714738710206943337829615186595348788912... %t A370562 RealDigits[Pi - 3*Sqrt[3]/2, 10, 120][[1]] (* _Amiram Eldar_, Mar 15 2024 *) %Y A370562 Cf. A000796, A019692, A010482, A104956, A248897. %K A370562 nonn,cons,easy %O A370562 0,1 %A A370562 _Wolfdieter Lang_, Mar 15 2024