Find the next number of the sequence 0.5 1 2 5 17 107

Find the next number of the sequence 0.5 1 2 5 17 107

1943, product of two numbers + sum of two numbers = next number
(0.5*1)+(0.5+1)=2
( 1*2)+( 1+2 ) =5
( 2*5)+( 2+5 ) =17
(5*17)+(5+17) =107
(17*107)+(17+107)=1943