%I A092834
%S A092834 0,1,1,1,2,3,5,8,13,20,33,53,86,137,222,356,575,923,1488,2392,3852,6194,
%T A092834 9971,16040,25813,41527,66821,107510,172982,278318,447800,720495,
%U A092834 1159230,1865158,3000919,4828366,7768540,12499255,20110570,32357010
%N A092834 Coefficients of a solution to a functional equation.
%C A092834 G.f. A(x) satisfies 0=f(A(x),A(x^2)) where f(u,v)=u^2-v-2uv(1+v+uv).
%o A092834 (PARI) a(n)=local(A,m);if(n<0,0,A=x+O(x^2);m=1;while(m<=n,m*=2;A=subst(A,
               x,x^2);A=(A+A^2+sqrt(A+A^2+A^4))/(1-2*A^2));polcoeff(A,n))
%Y A092834 Sequence in context: A055805 A023437 A013985 this_sequence A080106 A158415 
               A005347
%Y A092834 Adjacent sequences: A092831 A092832 A092833 this_sequence A092835 A092836 
               A092837
%K A092834 nonn
%O A092834 0,5
%A A092834 Michael Somos, Mar 06 2004