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 A019658 #18 Sep 08 2022 08:44:44 %S A019658 2,0,8,7,3,4,4,5,4,6,6,5,8,7,6,9,9,0,3,2,4,4,0,1,6,4,8,2,9,3,4,0,5,8, %T A019658 7,9,6,7,1,2,7,9,1,1,0,9,0,3,3,2,6,2,0,4,2,1,5,5,5,2,8,5,7,9,6,2,2,8, %U A019658 2,5,8,3,7,4,0,2,1,1,2,0,6,0,3,1,7,1,1,1,8,3,4,1,1,9,3,2,7,8,0 %N A019658 Decimal expansion of sqrt(Pi*e)/14. %H A019658 Ivan Panchenko, <a href="/A019658/b019658.txt">Table of n, a(n) for n = 0..1000</a> %t A019658 RealDigits[Sqrt[Pi*E]/14, 10, 20][[1]] (* _G. C. Greubel_, Jan 10 2017 *) %o A019658 (PARI) sqrt(Pi*exp (1))/14 \\ _G. C. Greubel_, Jan 10 2017 %o A019658 (Magma) C<i> := ComplexField(); [Sqrt(Pi(C)*Exp(1))/14]; // _G. C. Greubel_, Nov 06 2017 %Y A019658 Cf. A019645. %K A019658 nonn,cons %O A019658 0,1 %A A019658 _N. J. A. Sloane_