%I A072223
%S A072223 5,2,4,8,8,8,5,9,8,6,5,6,4,0,4,7,9,3,8,9,9,4,8,6,1,3,8,5,4,1,2,8,3,9,1,
%T A072223 5,6,9,0,3,4,2,9,4,7,7,3,9,3,4,2,1,5,9,6,5,3,1,4,2,1,6,4,2,1,1,8,5,8,0,
%U A072223 6,8,6,5,8,4,4,4,4,1,7,2,6,2,5,4,9,2,1,0,9,1,7,6,1,3,1,1,2
%N A072223 Decimal expansion of unimodal analogue of golden section with respect 
               to A072176: a=lim A072176(n)/A072176(n+1).
%C A072223 This is the smallest real root of (1-x^2)^2=x.
%e A072223 a=0.52488859865640479389948613854...
%t A072223 RealDigits[ x /. FindRoot[ (1-x^2)^2==x, {x, 0.5}, WorkingPrecision->
               100 ], 10 ][ [ 1 ] ]
%Y A072223 Cf. A072176, A072224.
%Y A072223 Sequence in context: A163334 A029683 A063567 this_sequence A124907 A020800 
               A088507
%Y A072223 Adjacent sequences: A072220 A072221 A072222 this_sequence A072224 A072225 
               A072226
%K A072223 nonn,easy,cons
%O A072223 0,1
%A A072223 Michele Dondi (bik.mido(AT)tiscalinet.it), Jul 04, 2002