302540domain: NAppears in sequencesa(n) = round(n*phi^20), where phi is the golden ratio, A001622.at n=20A004955a(n) = ceiling(n*phi^20), where phi is the golden ratio, A001622.at n=20A004975a(n) = n*Lucas(n).at n=20A146005Least k such that floor(k/r^n)=n, where r = golden ratio = (1+sqrt(5))/2.at n=19A182614