What is the next term of following series: 5+7i, 7+14i, 11+55i, 19+110i, 35+121i, ??

Answer 1

Real part : 5 7 11 19 35
Digestive differences 2 4 8 16 32
i.e Stating from 2 , previous * 2
So next = 35+32 = 67

Imaginary part:
Previous * 2
= 121*2
= 242

So next term = 67+242i