Step 1 :

The defined sequence is $\"\"$ .

The first term of the sequence is $\"\"$ .

The second term of the sequence is $\"\"$ .

To get the third term of the sequence requires that we know both of the the previous two terms.

That is, $\"\"$ ,

$\"\"$ ,

$\"\"$ .

The five terms of the sequence are $\"\"$ , $\"\"$ , $\"\"$ , $\"\"$ and $\"\"$ .