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 A307053 #20 Jun 28 2019 08:57:57 %S A307053 6,9,9,9,7,0,9,8,7,8,2,4,1,0,1,9,3,4,8,5,4,3,0,9,5,0,8,9,9,3,8,3,1,7, %T A307053 2,9,6,3,9,7,1,1,4,9,1,3,7,8,7,5,6,3,6,5,6,8,0,2,4,0,1,2,1,7,8,7,3,6, %U A307053 1,5,4,8,7,8,4,1 %N A307053 Decimal expansion of e + Pi + e*Pi + e^Pi + Pi^e + Pi*sqrt(e) + e*sqrt(Pi). %C A307053 Curiously, the values of A105643 and A307054 are close to the integers 60 and 10, respectively, which leads to the value of this constant being close to 70. - _Felix Fröhlich_, May 26 2019 %F A307053 Equals A307054 + A105643. %e A307053 69.99709878241019348543095089938317296397... %t A307053 RealDigits[N[Pi + Pi^E + E Pi + E^Pi + E + E Sqrt[Pi] + Pi Sqrt[E], 170]][[1]] %o A307053 (PARI) my(e=exp(1)); e + Pi + e*Pi + e^Pi + Pi^e + Pi*sqrt(e) + e*sqrt(Pi) \\ _Michel Marcus_, Mar 27 2019 %Y A307053 Cf. A105643, A307054. %K A307053 nonn,cons %O A307053 2,1 %A A307053 _Philipp O. Tsvetkov_, Mar 21 2019