Refer to the given number symbol series and answer the question given below.

(left) 2 * % & @ 2 1 # 3 ^ 5 7 9 @ 3 # 2 $ % $ # 5 1 # 2 & 5 @ 4 (right)

How many such numbers are there (from left to right) which are immediately preceded by a number and immediately followed by a symbol?