%I A010503
%S A010503 7,0,7,1,0,6,7,8,1,1,8,6,5,4,7,5,2,4,4,0,0,8,4,4,3,6,2,1,0,4,8,4,9,0,3,
%T A010503 9,2,8,4,8,3,5,9,3,7,6,8,8,4,7,4,0,3,6,5,8,8,3,3,9,8,6,8,9,9,5,3,6,6,2,
%U A010503 3,9,2,3,1,0,5,3,5,1,9,4,2,5,1,9,3,7,6,7,1,6,3,8,2,0,7,8,6,3,6,7,5,0,6
%N A010503 Decimal expansion of 1/sqrt(2).
%C A010503 The decimal expansion of sqrt(50) = 5*sqrt(2) = 7.0710678118654752440... 
               gives essentially the same sequence.
%C A010503 1/sqrt(2)=cos(pi/4)=sqrt(2)/2 [From Eric Desbiaux (moongerms(AT)wanadoo.fr), 
               Nov 05 2008]
%H A010503 Harry J. Smith, <a href="b010503.txt">Table of n, a(n) for n=0,...,20000</
               a>
%H A010503 <a href="http://cat.inist.fr/?aModele=afficheN&cpsidt=3399176">Bell inequalities, 
               Grothendieck's constant and root two</a> [From Eric Desbiaux (moongerms(AT)wanadoo.fr), 
               Nov 05 2008]
%e A010503 1/sqrt(2) = 0.7071067811865475...
%t A010503 N[ 1/Sqrt[2], 200]
%o A010503 (PARI) { default(realprecision, 20080); x=10*(1/sqrt(2)); for (n=0, 20000, 
               d=floor(x); x=(x-d)*10; write("b010503.txt", n, " ", d)); } [From 
               Harry J. Smith (hjsmithh(AT)sbcglobal.net), Jun 02 2009]
%Y A010503 Cf. A040042.
%Y A010503 Sequence in context: A036479 A085966 A010678 this_sequence A158857 A011438 
               A019597
%Y A010503 Adjacent sequences: A010500 A010501 A010502 this_sequence A010504 A010505 
               A010506
%K A010503 nonn,cons
%O A010503 0,1
%A A010503 N. J. A. Sloane (njas(AT)research.att.com).
%E A010503 Added more terms. Harry J. Smith (hjsmithh(AT)sbcglobal.net), Jun 02 
               2009