Pattern Recognition -81

Find out the next two numbers in the series.

1, 2 , 4 ,7 , 12 , 19 , _  , _ ,....................


Answer

1,     2  ,  4   ,   7   ,    12   ,    19 , _  , _ ,....................
   +1    +2    +3     +5      +7

1 , 2 , 3 , 5 , 7 ,..........   prime number series

Next two numbers 11,13

1,     2  ,  4   ,   7   ,    12   ,    19 , (19+11) , (19+11+13) , _ ,....................

1,     2  ,  4   ,   7   ,    12   ,    19 , 30 ,  43 , _ ,....................

But there is an issue that I did not realize. 1 is not a prime number. :)   Prime number - Wikipedia, the free encyclopedia