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 A073244 #13 Jan 13 2015 04:07:22 %S A073244 4,2,3,3,1,0,8,2,5,1,3,0,7,4,8,0,0,3,1,0,2,3,5,5,9,1,1,9,2,6,8,4,0,3, %T A073244 8,6,4,3,9,9,2,2,3,0,5,6,7,5,1,4,6,2,4,6,0,0,7,9,7,6,9,6,4,5,8,3,7,3, %U A073244 9,7,7,5,9,3,2,6,6,1,4,0,4,0,5,6,6,5,2,6,4,6,8,1,6,9,5,0,6,4,0,5,5,4,6,8 %N A073244 Decimal expansion of Pi - e. %e A073244 0.42331082513074800310235591192... %t A073244 RealDigits[N[Pi-E,6! ]][[1]] (* _Vladimir Joseph Stephan Orlovsky_, Jun 18 2009 *) %o A073244 (PARI) Pi-exp(1) %Y A073244 Cf. A059742 (Pi+e), A000796 (Pi), A001113 (e), A019609 (Pi*e), A061382 (Pi/e), A061360 (e/Pi), A039661 (e^Pi), A059850 (Pi^e), A073233 (Pi^Pi), A073226 (e^e), A049006 (i^i = e^(-Pi/2)). %Y A073244 Cf. A110564 for continued fraction for Pi - e. %K A073244 cons,nonn %O A073244 0,1 %A A073244 _Rick L. Shepherd_, Jul 21 2002