1, 1, 2, 4, 8, ? Many failed this Ukraine IQ Test! Can you?

[@xvoidx_yt1723]

Thanks alot maam

[@narenmenon6906]

A series in which the first term is 1.
the next term is the Sum of all Previous terms.
Using this condition Second term is also 1.

[@KW-gb9cd]

1 + 1 + 2 + 4 + 8 = 16.

[@piyush9107]

🎉

[@bhartik_20]

16

[@peteparry9730]

Is it 16?