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 A276120 #55 Dec 25 2021 12:03:54 %S A276120 0,3,8,7,6,8,1,7,9,6,0,2,9,1,6,7,9,8,9,4,1,1,1,9,8,9,0,3,1,8,7,2,1,1, %T A276120 4,9,8,0,6,2,3,4,5,6,8,0,3,9,5,5,2,5,7,9,2,2,3,1,2,6,7,6,2,1,2,3,7,7, %U A276120 7,1,3,7,0,1,2,2,8,6,8,5,5,2,7,1,8,5,1 %N A276120 Decimal expansion of zeta(3)/Pi^3. %C A276120 zeta(3) is sometimes called Apéry's constant after the French mathematician Roger Apéry, who proved in 1978 that it is irrational. Despite this it is not known if this constant divided by Pi^3 is irrational or even transcendental. %F A276120 Equals A002117/A091925. %e A276120 0.03876817960291679894... %t A276120 RealDigits[Zeta[3]/Pi^3, 10, 100][[1]] (* _Amiram Eldar_, Jul 07 2021 *) %o A276120 (PARI) zeta(3)/Pi^3 \\ _Michel Marcus_, Jul 07 2021 %Y A276120 Cf. A000796, A002117, A027431, A091925. %K A276120 nonn,cons %O A276120 0,2 %A A276120 _Martin Renner_, Sep 10 2016 %E A276120 Offset corrected by _Rick L. Shepherd_, Nov 03 2016