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 A203816 #21 Sep 08 2022 08:46:01 %S A203816 4,9,2,9,2,6,8,3,6,7,4,2,2,8,9,7,8,9,1,5,2,6,3,0,4,7,9,8,0,3,4,2,3,1, %T A203816 0,2,6,2,8,6,5,2,9,9,2,3,3,2,6,6,0,7,6,5,8,0,3,2,2,6,6,6,4,7,3,9,9,9, %U A203816 8,6,5,6,5,6,8,1,1,5,7,3,9,6,7,3,3,5,6,2,5,5,7,9,6,1,7,9,8,6 %N A203816 Decimal expansion of e*gamma*Pi, where gamma is Euler's constant. %H A203816 G. C. Greubel, <a href="/A203816/b203816.txt">Table of n, a(n) for n = 1..10000</a> %e A203816 4.929268367422897891526304798034231... %t A203816 RealDigits[E*EulerGamma*Pi, 10, 105][[1]] (* _Alonso del Arte_, Jan 06 2012 *) %o A203816 (PARI) exp(1)*Euler*Pi \\ _Charles R Greathouse IV_, Jan 15 2012 %o A203816 (Magma) SetDefaultRealField(RealField(100)); R:= RealField(); Exp(1)*Pi(R)*EulerGamma(R); // _G. C. Greubel_, Sep 03 2018 %Y A203816 Cf. A001620 (Euler's constant), A019609 (e*Pi). %K A203816 nonn,cons %O A203816 1,1 %A A203816 _Yalcin Aktar_, Jan 06 2012