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 A346571 #28 Aug 05 2024 13:47:28 %S A346571 9,9,9,7,4,2,7,5,6,9,9,2,5,5,3,5,4,8,8,9,9,0,0,4,4,1,9,9,7,5,4,8,1,6, %T A346571 1,0,3,3,4,2,3,6,5,8,7,7,7,4,7,4,6,3,1,2,1,6,9,7,6,1,7,0,9,9,1,6,1,7, %U A346571 7,2,0,5,4,9,6,0,5,3,2,6,7,8,7,3,7,5,7 %N A346571 Decimal expansion of 2 - 305 * Pi^5 / 93312. %D A346571 L. B. W. Jolley, Summation of Series, Dover, 1961, Eq. (316). %H A346571 Michael I. Shamos, <a href="https://citeseerx.ist.psu.edu/pdf/ae33a269baba5e8b1038e719fb3209e8a00abec5">Shamos's catalog of the real numbers</a> (2011). %H A346571 <a href="/index/Tra#transcendental">Index entries for transcendental numbers</a>. %F A346571 Equals 2 + 5 * 61 * Pi^5 / (2^7 * 3^6). %F A346571 Equals 1 + Sum_{k>=1} ( ((-1)^k/(6*k-1)^5 - (-1)^k/(6*k+1)^5) ). %e A346571 0.99974275699255354889900441997548161... %t A346571 RealDigits[2 - 305 * Pi^5 / 93312, 10, 120][[1]] (* _Amiram Eldar_, Jun 21 2023 *) %o A346571 (PARI) 2-305*Pi^5/93312 \\ _Charles R Greathouse IV_, Sep 28 2022 %Y A346571 Cf. A092731, A346573, A346572, A346570. %K A346571 nonn,cons %O A346571 0,1 %A A346571 _Sean A. Irvine_, Jul 23 2021