Find out the next two numbers in the series.
2 , 3 , 9 , 15 , 33 ,_ ,_ ,......................
Answer
2 , 3 , 9 , 15 , 33 , _ ,_ ,......................
2^ 1, 2^2 -1 , 2^3 +1 , 2^4 -1 , 2^5 +1
Next two numbers 2^6 -1 , 2^7 +1
2 , 3 , 9 , 15 , 33 ,63 ,129 ,......................
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