202007663444domain: NAppears in sequencesa(n) = Fibonacci(4*n+2) + 3*Fibonacci(2*n+1)^2.at n=13A360467a(n) = 2*a(n-1) + 2*a(n-2) - a(n-3), with a(0)=4, a(1)=6, a(2)=20.at n=26A374259