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 A346449 #18 Aug 05 2024 13:48:24 %S A346449 9,9,9,9,9,7,2,7,2,2,3,8,9,3,0,9,4,7,1,4,6,7,8,1,8,7,4,9,6,3,7,8,3,9, %T A346449 2,7,2,4,4,4,8,6,2,4,9,7,0,0,5,6,5,3,4,5,7,9,3,0,8,5,0,7,8,3,0,5,4,2, %U A346449 6,5,2,5,4,5,2,7,8,3,4,5,4,7,4,8,1,0,3 %N A346449 Decimal expansion of 257543 * Pi^8 / (1410877440 * sqrt(3)). %C A346449 Note Shamos has a typo, 25743 instead of 257543. %D A346449 L. B. W. Jolley, Summation of Series, Dover, 1961, Eq. (329). %H A346449 Michael I. Shamos, <a href="https://citeseerx.ist.psu.edu/pdf/ae33a269baba5e8b1038e719fb3209e8a00abec5">Shamos's catalog of the real numbers</a> (2011). %H A346449 <a href="/index/Tra#transcendental">Index entries for transcendental numbers</a> %F A346449 Equals 11 * 13 * 1801 * Pi^8 / (2^11 * 3^9 * 5 * 7 * sqrt(3)). %F A346449 Equals 1 + Sum_{k>=1} ( (-1)^k/(6*k-1)^8 + (-1)^k/(6*k+1)^8 ). %e A346449 0.9999972722389309471467818749637839272444862497... %t A346449 First[RealDigits[N[11*13*1801*Pi^8/(2^11*3^9*5*7*Sqrt[3]),100]]] (* _Stefano Spezia_, Jul 19 2021 *) %Y A346449 Cf. A258414, A346451, A346450. %K A346449 nonn,cons,easy %O A346449 0,1 %A A346449 _Sean A. Irvine_, Jul 18 2021