%I
%S 0,1,4,9,16,36,144,1600,14930496
%N Squares that are equal to the sum of two Fibonacci numbers.
%C Any further terms have more than 10,000 digits.  _Charles R Greathouse IV_, Sep 16 2015
%o (PARI) list(lim)=my(F=List(),v=List([0,1]),n=1,t); while((t=fibonacci(n++))<=lim, listput(F,t)); F=Vec(F); for(i=1,#F,for(j=i,#F, if(issquare(t=F[i]+F[j]), listput(v,t)))); Set(v) \\ _Charles R Greathouse IV_, Sep 16 2015
%Y Squares in A084176 (or A059389). Cf. A000045.
%K nonn
%O 1,3
%A _Giovanni Teofilatto_, Nov 09 2005
%E 1600 from _Jonathan Vos Post_, Nov 11 2005
%E 14930496 from _N. J. A. Sloane_, Nov 11 2005
