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 A111293 #9 Jan 19 2015 03:42:50 %S A111293 7,1,8,8,0,8,2,7,2,8,9,7,6,0,3,2,7,0,2,0,8,2,1,9,4,3,4,5,1,2,4,7,5,8, %T A111293 7,1,8,5,5,9,3,0,1,7,6,3,9,6,8,4,3,7,1,6,2,4,1,0,0,3,5,6,9,9,4,2,3,4, %U A111293 3,8,4,0,3,8,7,1,8,6,3,8,1,2,8,5,6,9,8,4,1,9,0,6,2,9,9,0,7,8,8,2,4,7,8,6,0 %N A111293 Decimal expansion of Pi! (or Gamma(Pi+1)). %C A111293 Some curiosities: %C A111293 Gamma(Pi) = 2.2880377953400324179595889... %C A111293 c = Pi! - Gamma(Pi)= (Pi-1)*Gamma(Pi) = 4.900044933636000284122605... %C A111293 c - 4.9 = 0.0000449336360002841226054360645... %C A111293 d = 20+Pi-exp(Pi) = 0.00090002081052423273355701533095550... %C A111293 d/(c-4.9) = 20.030001812418246261112320495414095... %C A111293 d/(c-4.9) - 20 = 0.0300018124182462611123204954140952... %C A111293 (d/(c-4.9) - 20)^2 = 0.000900108748379635566119435708756... %C A111293 (Pi!)^2 = 51.66853331860352960055302... %C A111293 3*(Pi!)^2 = 155.005599955810588801659... %C A111293 3*(Pi!)^2/Pi^3 = 4.999168444313570423878747... %e A111293 7.188082728976032702082194345124758718559301763968437162410035699423438403... %t A111293 RealDigits[N[Pi!,200]] (* _Vladimir Joseph Stephan Orlovsky_, May 27 2010 *) %o A111293 (PARI) \p 110; x=gamma(Pi+1);y=x/10^ceil(log(x)/log(10)); for(n=1,110,z=y*10;w=floor(z);print1(w,",");y=z-w) %Y A111293 Cf. A000796, A111197. %K A111293 cons,nonn %O A111293 1,1 %A A111293 _Gerald McGarvey_, Nov 01 2005