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 A307054 #10 Mar 25 2019 04:34:44 %S A307054 9,9,9,7,6,3,9,7,2,6,5,4,7,4,7,3,4,6,6,9,8,8,2,3,0,6,0,2,7,1,2,1,5,0, %T A307054 6,7,9,1,2,6,4,2,2,7,3,2,4,3,8,5,5,1,9,6,7,5,5,4,4,4,9,8,6,4,9,3,3,7, %U A307054 6,4,8,3,9,5,2,4,4,7,3 %N A307054 Decimal expansion of Pi*sqrt(e) + e*sqrt(Pi). %e A307054 9.997639726547473466988230602712150679126422... %t A307054 RealDigits[N[E Sqrt[Pi] + Pi Sqrt[E], 170]][[1]] %Y A307054 Cf. A105643, A307053. %K A307054 nonn,cons %O A307054 1,1 %A A307054 _Philipp O. Tsvetkov_, Mar 21 2019