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 A188723 #11 Jul 07 2024 12:24:59 %S A188723 3,2,3,4,2,3,1,1,105,1,2,1,13,5,16,1,44,1,1,4,2,1,2,3,100,4,1,1,18,4, %T A188723 2,2,2,8,2,5,2,2,3,7,184,1,8,6,2,6,2,1,5,1,38,1,2,1,1,1,4,2,6,2,1,1,1, %U A188723 1,2,3,1,1,1,1,2,1,2,3,8,1,1,2,1,3,1,2,1,10,1,6,1,3,1,1,1,1,2,2,1,7,1,11,1,6,1,2,13,35,1,5,2,2,1,1,2,8,2,6,2,3,1,1,2,5 %N A188723 Continued fraction of (Pi + sqrt(4 + Pi^2))/2. %C A188723 Continued fraction of the constant in A188722. %p A188723 Digits := 100 ; %p A188723 (Pi+sqrt(4+Pi^2))/2 ; %p A188723 evalf(%) ; %p A188723 numtheory[cfrac](%,40,'quotients') ; # _R. J. Mathar_, Apr 11 2011 %t A188723 r = Pi; t = (r + (4 + r^2)^(1/2))/2; FullSimplify[t] %t A188723 N[t, 130] %t A188723 RealDigits[N[t, 130]][[1]] %t A188723 ContinuedFraction[t, 120] %Y A188723 Cf. A000796, A188640, A188722 (decimal expansion). %K A188723 nonn,cofr %O A188723 0,1 %A A188723 _Clark Kimberling_, Apr 09 2011 %E A188723 Offset changed by _Andrew Howroyd_, Jul 07 2024