1597 bring the famous Fibonacci sequence to the next level of fascinating! 1597 concept is based on the Fibonacci sequence. This is a series in which each number is the result of adding the previous 2 numbers before it. For exemple, several first numbers are 1, 1, 2, 3, 5, 8, 13, 21, 34, 51, etc. In Finaci, the numbers are presented in the shape of a box.