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 A347331 #19 Aug 06 2024 05:49:20
%S A347331 9,8,3,1,9,4,4,8,3,6,8,0,0,7,6,0,2,1,7,3,8,0,8,6,5,5,8,7,2,1,0,1,5,5,
%T A347331 0,3,1,8,9,0,2,9,2,1,0,6,4,7,1,3,5,4,0,0,3,2,6,0,2,0,1,2,1,4,3,6,3,5,
%U A347331 4,5,9,9,1,4,0,2,1,3,8,5,6,5,5,5,2,4,0
%N A347331 Decimal expansion of 691 * Pi^6 / 675675.
%H A347331 Michael I. Shamos, <a href="https://citeseerx.ist.psu.edu/pdf/ae33a269baba5e8b1038e719fb3209e8a00abec5">Shamos's catalog of the real numbers</a> (2011).
%H A347331 <a href="/index/Tra#transcendental">Index entries for transcendental numbers</a>.
%F A347331 Equals zeta(12) / zeta(6).
%F A347331 Equals Sum_{k>=1} A008836(k) / k^6.
%F A347331 Equals Product_{p prime} 1/(1+p^(-6)). [corrected by _Amiram Eldar_, Jun 06 2023]
%e A347331 0.9831944836800760217380865587210155031...
%t A347331 RealDigits[691 * Pi^6 / 675675, 10, 120][[1]] (* _Amiram Eldar_, Jun 06 2023 *)
%Y A347331 Cf. A008836, A182448, A347328, A347329, A347330.
%Y A347331 Cf. A013664, A013670.
%K A347331 nonn,cons
%O A347331 0,1
%A A347331 _Sean A. Irvine_, Aug 26 2021
%E A347331 Data corrected by _Amiram Eldar_, Jun 06 2023