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 A309928 #15 Aug 24 2019 14:24:03 %S A309928 2,9,7,4,9,3,5,0,9,5,0,4,1,6,7,9,2,4,7,3,2,2,6,3,5,7,5,4,3,9,9,9,2,3, %T A309928 6,0,9,5,4,5,3,5,7,0,8,6,0,5,9,8,1,5,1,4,6,5,2,6,7,9,1,3,1,6,3,0,9,8, %U A309928 1,7,7,6,6,8,4,6,2,4,9,7,7,3,5,8,3,7,7 %N A309928 Decimal expansion of Pi^9/Zeta(9). %H A309928 <a href="/index/Z#zeta_function">Index entries for zeta function</a>. %t A309928 RealDigits[Pi^9/Zeta[9], 10, 100][[1]] (* _Amiram Eldar_, Aug 24 2019 *) %o A309928 (PARI) Pi^9/zeta(9) %Y A309928 Cf. A013667, A308637. %K A309928 nonn,cons %O A309928 5,1 %A A309928 _Seiichi Manyama_, Aug 23 2019 %E A309928 More terms from _Amiram Eldar_, Aug 24 2019