Pattern Recognition - 149

Find out the next two numbers in the series.

1218, 12618 ,1420 , 143420 ,1622 ,16622 ,_ , _ ,.......................

Answer

1218, 12618 ,1420 , 143420 ,1622 ,16622 ,_ , _ ,.......................

1218, 12(18-12)18 ,1420 , 14(14+20)20 ,1622 ,16(22-16)22 ,_ , _ ,.......................

12 , 14 , 16 ,..................................  Next two numbers   18,20

18, 20 , 22 , ..................................  Next two numbers   24,26

Next two numbers in the series   1824  18(18+24)24 

1218, 12618 ,1420 , 143420 ,1622 ,16622 , 1824 , 184224,.......................