%I A010466
%S A010466 2,8,2,8,4,2,7,1,2,4,7,4,6,1,9,0,0,9,7,6,0,3,3,7,7,4,4,8,4,1,9,3,9,
%T A010466 6,1,5,7,1,3,9,3,4,3,7,5,0,7,5,3,8,9,6,1,4,6,3,5,3,3,5,9,4,7,5,9,8,
%U A010466 1,4,6,4,9,5,6,9,2,4,2,1,4,0,7,7,7,0,0,7,7,5,0,6,8,6,5,5,2,8,3,1,4,5,4,
               7
%N A010466 Decimal expansion of square root of 8.
%C A010466 Sqrt(8)=2*sqrt(2) is the length of the longest (rigid) ladder that can 
               be carried horizontally around a right angled corner in a hallway 
               of unit width. - Lekraj Beedassy (blekraj(AT)yahoo.com), Apr 19 2006
%C A010466 Continued fraction expansion is 2 followed by {1, 4} repeated. [From 
               Harry J. Smith (hjsmithh(AT)sbcglobal.net), Jun 05 2009]
%D A010466 S. R. Finch, Moving Sofa Constant, Sect. 8.12 in Mathematical Constants. 
               Cambridge, England: Cambridge University Press, pp. 519-523, 2003.
%H A010466 Harry J. Smith, <a href="b010466.txt">Table of n, a(n) for n=1,...,20000</
               a>
%H A010466 R. J. Nemiroff & J. Bonnell, <a href="http://antwrp.gsfc.nasa.gov/htmltest/
               gifcity/sqrt8.1mil">The first 1 million digits of the square root 
               of 8</a>
%H A010466 R. J. Nemiroff & J. Bonnell, Plouffe's Inverter, <a href="http://www.cecm.sfu.ca/
               projects/ISC/dataB/isc/C/sqrt8.txt">The first 1 million digits of 
               the square root of 8</a>
%H A010466 Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/
               MovingLadderProblem.html">Link to a section of The World of Mathematics</
               a>
%e A010466 2.828427124746190097603377448419396157139343750753896146353359475981464... 
               [From Harry J. Smith (hjsmithh(AT)sbcglobal.net), Jun 02 2009]
%o A010466 (PARI) { default(realprecision, 20080); x=sqrt(8); for (n=1, 20000, d=floor(x); 
               x=(x-d)*10; write("b010466.txt", n, " ", d)); } [From Harry J. Smith 
               (hjsmithh(AT)sbcglobal.net), Jun 02 2009]
%Y A010466 Cf. A040005 Continued fraction. [From Harry J. Smith (hjsmithh(AT)sbcglobal.net), 
               Jun 02 2009]
%Y A010466 Sequence in context: A065485 A064912 A010698 this_sequence A086396 A098471 
               A074723
%Y A010466 Adjacent sequences: A010463 A010464 A010465 this_sequence A010467 A010468 
               A010469
%K A010466 nonn,cons
%O A010466 1,1
%A A010466 N. J. A. Sloane (njas(AT)research.att.com).