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 A346570 #19 Aug 05 2024 13:50:25
%S A346570 9,9,9,9,8,8,4,4,8,4,3,8,7,2,8,2,4,7,8,3,8,1,3,1,5,7,2,3,9,1,7,9,6,4,
%T A346570 9,9,8,5,8,8,0,7,3,1,6,6,4,0,8,1,0,6,8,4,2,9,4,1,0,3,1,1,3,3,7,6,8,2,
%U A346570 6,8,6,1,5,8,0,4,0,5,4,0,5,8,4,6,0,0,5
%N A346570 Decimal expansion of 2 - 33367 * Pi^7 / 100776960.
%D A346570 L. B. W. Jolley, Summation of Series, Dover, 1961, Eq. (316).
%H A346570 Michael I. Shamos, <a href="https://citeseerx.ist.psu.edu/pdf/ae33a269baba5e8b1038e719fb3209e8a00abec5">Shamos's catalog of the real numbers</a> (2011).
%H A346570 <a href="/index/Tra#transcendental">Index entries for transcendental numbers</a>.
%F A346570 Equals 2 - 61 * 547 * Pi^7 / (2^10 * 3^9 * 5).
%F A346570 Equals 1 + Sum_{k>=1} ( ((-1)^k/(6*k-1)^7 - (-1)^k/(6*k+1)^7) ).
%e A346570 0.9999884484387282478381315723917964998588...
%t A346570 RealDigits[2 - 33367 * Pi^7 / 100776960, 10, 120][[1]] (* _Amiram Eldar_, Jun 20 2023 *)
%Y A346570 Cf. A346573, A346572, A346571, A346449, A346450.
%K A346570 nonn,cons
%O A346570 0,1
%A A346570 _Sean A. Irvine_, Jul 23 2021