x(-1)= 1 x(0) = 1 x(i) = x(i-1) + i; i=0,1,2...,n-1
y(i,0) = x(i) y(i,j) = y(i,j-1) + i + j + 1; j=1,...,n-i-1
#include <stdio.h>
int main(){
int n;
scanf("%d",&n);
int numy;
int numx = 1;
for(int i=0; i<n; i++){
numx = numx + i;
printf("%d ", numx);
numy = numx;
for(int j=1; j<(n - i); j++){
numy = numy + i + j + 1;
printf("%d ", numy);
}
printf("\n");
}
return 0;
}