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 A019656 #19 Sep 08 2022 08:44:44 %S A019656 2,4,3,5,2,3,5,3,0,4,4,3,5,2,3,1,5,5,3,7,8,4,6,8,5,8,9,6,7,5,6,4,0,1, %T A019656 9,2,9,4,9,8,2,5,6,2,9,3,8,7,2,1,3,9,0,4,9,1,8,1,4,5,0,0,0,9,5,5,9,9, %U A019656 6,3,4,7,6,9,6,9,1,3,0,7,3,7,0,3,6,6,3,0,4,7,3,1,3,9,2,1,5,7,7 %N A019656 Decimal expansion of sqrt(Pi*e)/12. %H A019656 Ivan Panchenko, <a href="/A019656/b019656.txt">Table of n, a(n) for n = 0..1000</a> %t A019656 RealDigits[Sqrt[Pi*E]/12, 10, 20][[1]] (* _G. C. Greubel_, Jan 10 2017 *) %o A019656 (PARI) sqrt(Pi*exp (1))/12 \\ _G. C. Greubel_, Jan 10 2017 %o A019656 (Magma) C<i> := ComplexField(); [Sqrt(Pi(C)*Exp(1))/12]; // _G. C. Greubel_, Nov 06 2017 %Y A019656 Cf. A019645. %K A019656 nonn,cons %O A019656 0,1 %A A019656 _N. J. A. Sloane_