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 A019629 #16 Sep 08 2022 08:44:44 %S A019629 4,0,6,6,5,4,0,1,0,6,0,3,5,0,3,1,9,3,5,9,3,5,0,2,4,2,2,3,5,9,3,6,0,6, %T A019629 9,0,2,3,9,7,5,6,5,9,6,9,4,1,1,9,5,9,5,0,5,6,5,6,9,5,2,9,1,9,1,3,2,9, %U A019629 6,6,0,0,5,3,1,3,0,1,4,6,7,0,2,7,2,6,4,9,4,6,1,7,6,6,8,9,2,3,5 %N A019629 Decimal expansion of Pi*e/21. %H A019629 G. C. Greubel, <a href="/A019629/b019629.txt">Table of n, a(n) for n = 0..10000</a> (terms 0..1000 from Ivan Panchenko) %t A019629 RealDigits[Pi*E/21, 10, 50][[1]] (* _G. C. Greubel_, Jan 28 2018 *) %o A019629 (PARI) Pi*exp(1)/21 \\ _G. C. Greubel_, Jan 28 2018 %o A019629 (Magma) C<i> := ComplexField(); Pi(C)*Exp(1)/21; // _G. C. Greubel_, Jan 28 2018 %Y A019629 Cf. A019609 (e*Pi). %K A019629 nonn,cons %O A019629 0,1 %A A019629 _N. J. A. Sloane_