393380domain: NAppears in sequencesa(2*n-1) = Product_{i=1..n} Fibonacci(2*i-1) and a(2*n) = Product_{i=1..n} Fibonacci(2*i).at n=10A123029Product of first n nonzero odd-indexed Fibonacci numbers F(1), ..., F(2*n-1).at n=5A194158