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 A346931 #14 Aug 06 2024 05:48:09
%S A346931 9,8,4,1,9,9,1,6,9,3,6,1,4,9,8,9,7,9,1,2,7,1,1,0,7,9,5,5,8,9,9,1,3,1,
%T A346931 7,1,8,8,3,0,6,8,2,9,1,9,6,9,3,6,8,9,6,3,6,3,4,2,3,6,9,1,3,9,7,6,7,5,
%U A346931 6,2,0,3,0,0,6,3,1,7,9,8,0,0,8,4,8,0,9
%N A346931 Decimal expansion of 403 * Pi^6 / 393660.
%D A346931 L. B. W. Jolley, Summation of Series, Dover, 1961, Eq. (312).
%H A346931 Michael I. Shamos, <a href="https://citeseerx.ist.psu.edu/pdf/ae33a269baba5e8b1038e719fb3209e8a00abec5">Shamos's catalog of the real numbers</a> (2011).
%H A346931 <a href="/index/Tra#transcendental">Index entries for transcendental numbers</a>.
%F A346931 Equals 13 * 31 * Pi^6 / (2^2 * 3^9 * 5).
%F A346931 Equals 1 + Sum_{k>=1} ( (-1)^k/(3*k-1)^6 + (-1)^k/(3*k+1)^6 ).
%e A346931 0.9841991693614989791271107955899131718830...
%t A346931 RealDigits[403 * Pi^6 / 393660, 10, 120][[1]] (* _Amiram Eldar_, Jun 20 2023 *)
%Y A346931 Cf. A346933, A346932, A346930, A346929.
%K A346931 nonn,cons
%O A346931 0,1
%A A346931 _Sean A. Irvine_, Aug 07 2021