152492domain: NAppears in sequencesa(0)=1. a(n) = a(n-1) + (largest integer occurring among {a(0),a(1),a(2),...,a(n-1)} that is coprime to n).at n=25A120938G.f.: A(x) = INV(x-x^2 - x^2*INV(x-2*x^2 - x^2*INV(x-4*x^2 - x^2*INV(x-8*x^2 - x^2*INV(x-16*x^2 - ...))))), where INV(F(x)) = series reversion of F(x).at n=8A196711