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that was helpful, thanks

In this code snippet:



public static int[][] pascalTriangle(int n) {
int[][] pt = new int[n][];
for (int i = 0; i < n; i++) {
pt[i] = new int[i + 1];
...

In this code:



public static void main(String[] args) {
System.out.println(tailrecsum(5,0));
}

private static int tailrecsum(int x,int running_total, int default_total){
if(x == 0){

thanks for response

the first two numbers in the Fibonacci sequence are 0 and 1, and each subsequent number is the sum of the previous two.

So I would expect output like this:

0,1,1,2,3,5...



private...