8898708domain: NAppears in sequencesa(n) = lcm(n, Fibonacci(n)).at n=27A014965Fibonacci sequence beginning 0, 28.at n=28A022362a(n) = n*Fibonacci(n).at n=28A045925a(n) = Fibonacci(n)*A028594(n) for n>=1, with a(0)=1, where A028594 lists the coefficients in (theta_3(x)*theta_3(7*x)+theta_2(x)*theta_2(7*x))^2.at n=28A205976