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 A019650 #19 Sep 08 2022 08:44:44 %S A019650 4,8,7,0,4,7,0,6,0,8,8,7,0,4,6,3,1,0,7,5,6,9,3,7,1,7,9,3,5,1,2,8,0,3, %T A019650 8,5,8,9,9,6,5,1,2,5,8,7,7,4,4,2,7,8,0,9,8,3,6,2,9,0,0,0,1,9,1,1,9,9, %U A019650 2,6,9,5,3,9,3,8,2,6,1,4,7,4,0,7,3,2,6,0,9,4,6,2,7,8,4,3,1,5,4 %N A019650 Decimal expansion of sqrt(Pi*e)/6. %H A019650 Ivan Panchenko, <a href="/A019650/b019650.txt">Table of n, a(n) for n = 0..1000</a> %e A019650 0.48704706088704631075693717935128038589965... %t A019650 RealDigits[Sqrt[Pi*E]/6, 10, 20][[1]] (* _G. C. Greubel_, Jan 10 2017 *) %o A019650 (PARI) sqrt(Pi*exp (1))/6 \\ _G. C. Greubel_, Jan 10 2017 %o A019650 (Magma) C<i> := ComplexField(); [Sqrt(Pi(C)*Exp(1))/6]; // _G. C. Greubel_, Nov 17 2017 %Y A019650 Cf. A019645. %K A019650 nonn,cons %O A019650 0,1 %A A019650 _N. J. A. Sloane_