71191948512domain: NAppears in sequencesG.f. satisfies A(x) = A(A(x)) - x^2 with A(0)=0.at n=13A138740G.f. A(x) satisfies: A( x - A(x) ) = x^2.at n=12A276370G.f. A(x) satisfies: A( 2*x - A(x) ) = 2*x - A(x) + x^2.at n=13A292809