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 A346450 #23 Aug 05 2024 13:49:29
%S A346450 9,9,9,9,2,8,2,1,7,8,2,5,1,0,4,4,2,1,8,0,1,4,3,3,0,5,6,2,3,0,8,9,4,0,
%T A346450 2,6,3,7,0,9,2,5,3,5,7,8,1,3,4,7,9,1,2,3,4,4,3,6,8,9,4,3,3,7,5,7,7,2,
%U A346450 2,7,1,9,1,9,5,2,3,1,6,7,2,8,0,9,8,8,7
%N A346450 Decimal expansion of 1681 * Pi^6 / (933120 * sqrt(3)).
%D A346450 L. B. W. Jolley, Summation of Series, Dover, 1961, Eq. (329).
%H A346450 Michael I. Shamos, <a href="https://citeseerx.ist.psu.edu/pdf/ae33a269baba5e8b1038e719fb3209e8a00abec5">Shamos's catalog of the real numbers</a> (2011).
%H A346450 <a href="/index/Tra#transcendental">Index entries for transcendental numbers</a>
%F A346450 Equals 41^2 * Pi^6 / (2^8 * 3^6 * 5 * sqrt(3)).
%F A346450 Equals 1 + Sum_{k>=1} ( (-1)^k/(6*k-1)^6 + (-1)^k/(6*k+1)^6 ).
%e A346450 0.99992821782510442180143305623089402637...
%t A346450 First[RealDigits[N[41^2*Pi^6/(2^8*3^6*5*Sqrt[3]),100]]] (* _Stefano Spezia_, Jul 19 2021 *)
%t A346450 RealDigits[1681 Pi^6/(933120 Sqrt[3]),10,120][[1]] (* _Harvey P. Dale_, Oct 01 2023 *)
%Y A346450 Cf. A258414, A346451, A346449.
%K A346450 nonn,cons,easy
%O A346450 0,1
%A A346450 _Sean A. Irvine_, Jul 18 2021