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 A347152 #16 Mar 11 2025 11:38:05 %S A347152 1,0,9,9,5,5,7,4,2,8,7,5,6,4,2,7,6,3,3,4,6,1,9,2,5,1,8,4,1,4,7,8,2,6, %T A347152 0,0,9,4,6,9,0,0,9,2,8,9,7,8,1,2,8,7,0,3,7,3,4,1,2,3,0,6,0,7,3,0,7,7, %U A347152 3,5,7,4,2,2,0,0,1,7,3,1,4,9,5,1,9,8,1 %N A347152 Decimal expansion of 7 * Pi / 2. %H A347152 Michael I. Shamos, <a href="https://citeseerx.ist.psu.edu/pdf/ae33a269baba5e8b1038e719fb3209e8a00abec5">Shamos's catalog of the real numbers</a> (2011). %H A347152 <a href="/index/Tra#transcendental">Index entries for transcendental numbers</a> %F A347152 Equals A228721/2. - _R. J. Mathar_, Mar 11 2025 %e A347152 10.995574287564276334619251841478260094690... %p A347152 7*Pi/2 ; evalf(%) ; # _R. J. Mathar_, Mar 11 2025 %t A347152 RealDigits[7*Pi/2, 10, 120][[1]] (* _Amiram Eldar_, Jun 07 2023 *) %o A347152 (PARI) 7*Pi/2 \\ _Michel Marcus_, Aug 20 2021 %Y A347152 Cf. A019669, A197723, A003881. %K A347152 nonn,cons %O A347152 2,3 %A A347152 _Sean A. Irvine_, Aug 19 2021