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 A354249 #23 Aug 04 2024 08:46:21 %S A354249 7,4,4,2,9,4,0,0,8,8,1,9,4,1,9,2,6,6,8,4,0,2,9,0,7,7,2,7,2,2,5,0,8,7, %T A354249 4,5,8,8,6,4,7,1,7,4,8,4,9,4,9,6,4,8,8,1,2,7,9,1,4,4,1,2,7,3,9,2,8,9, %U A354249 0,9,0,9,6,8,3,5,1,4,2,2,3,0,3,4,5,1,3,0,3,8,9,1,1,2,8,0,7,0,0,4,3 %N A354249 Decimal expansion of 27*sqrt(3) / (2*Pi). %C A354249 For any triangle ABC (see Crux Mathematicorum): %C A354249 (sin(A) + sin(B) + sin(C)) * (1/A + 1/B + 1/C) >= 27*sqrt(3) / (2*Pi), %C A354249 where (A,B,C) are the angles in radians. %C A354249 Equality stands iff triangle ABC is equilateral. %H A354249 Shi-Chang Chi and Ji Chen, Douglas L. Grant, <a href="https://cms.math.ca/wp-content/uploads/crux-pdfs/CRUXv22n1.pdf">Problem 2015</a>, Crux Mathematicorum, Vol. 22, No. 1 (1996), pp. 47-48. %H A354249 <a href="/index/Tra#transcendental">Index entries for transcendental numbers</a> %F A354249 Equals A010527 * A132717. %e A354249 7.442940088194192668402907727... %p A354249 evalf(27*sqrt(3)/(2*Pi),110); %t A354249 RealDigits[(27*Sqrt[3]/(2*Pi)), 10, 110][[1]] (* _Amiram Eldar_, May 21 2022; corrected by _Georg Fischer_, Aug 04 2024 *) %Y A354249 Cf. A010527, A132702, A132717. %K A354249 nonn,cons %O A354249 1,1 %A A354249 _Bernard Schott_, May 20 2022 %E A354249 a(100) corrected by _Georg Fischer_, Aug 04 2024