Numerator is always 1 while the denominator is a square number, thus we can write the sequence as follows

`1/1^2,1/2^2,1/3^2,1/4^2,1/5^2,...`

From this we see that the `n`th terms is

`a_n=1/n^2`

Numerator is always 1 while the denominator is a square number, thus we can write the sequence as follows

`1/1^2,1/2^2,1/3^2,1/4^2,1/5^2,...`

From this we see that the `n`th terms is

`a_n=1/n^2`