692290561601domain: NAppears in sequencesa(n) = Fibonacci(n)*Fibonacci(n+2).at n=29A059929a(1) = 1; a(n+1) = product of numerator and denominator in Sum_{k=1..n} 1/a(k).at n=16A064170a(n) = Fibonacci(n)^2+1.at n=30A245306Area of Lewis Carroll's paradoxical F(2n+1) X F(2n+3) rectangle.at n=13A262342