How to find the general formula of 1, - 1,1, - 1 Isn't this a swing sequence? Why is the answer a long string of 1 / 2 + - 1 to the power of N + 1

How to find the general formula of 1, - 1,1, - 1 Isn't this a swing sequence? Why is the answer a long string of 1 / 2 + - 1 to the power of N + 1

The answer you said is 1,0,1,0