Pattern Recognition - 132

Find out the next two numbers in the series.
5 , 6 , 12 , 11 , 12 , 24,23, _ ,_ ,................


Answer
5 ,     6 ,   12 ,   11 ,   12 ,    24,    23, _ ,_ ,................
    +1    *2     -1     +1     *2     -1

Next two numbers
23 +1 = 24  
24 *2 = 48

5 , 6 , 12 , 11 , 12 , 24,23, 24,48 ,................