Question: Integral solutions

I want to find all integral solution of the equation x =
Pi/9+2*k*Pi/3, where k is integral numbeer and 1 <= x <=2^Pi. 
This is my code. 
restart; solve([Pi/9+2*k*Pi/3 >=1,Pi/9+2*k*Pi/3 <=2^Pi],k);

> evalf(%);

> f:=k->Pi/9+2*k*Pi/3;

> seq(f(k),k = 1..4);

Please help me another way. Thank you.

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