# Math Help - sequence

1. ## sequence

Define the sequences $x(n),y(n)$ by, $x(0)=0$, $x(n)=n-y(x(n-1)), \ y(n)=n-x(y(n-1))$ for $n \geq 1$. Determined closed expressions for these sequences.

2. Originally Posted by Chandru1
Define the sequences $x(n),y(n)$ by, $x(0)=0$, $x(n)=n-y(x(n-1)), \ y(n)=n-x(y(n-1))$ for $n \geq 1$. Determined closed expressions for these sequences.
what is $y(0)$?

3. ## oops!

sorry for the inconvinience. y(0)=1