C program to print the following pattern : 1 2 6 3 7 10 4 8 11 13 5 9 12 14 15

C program to print the following pattern : 1 2 6 3 7 10 4 8 11 13 5 9 12 14 15 #include<stdio.h> int main()  { int n,i,j; printf("Enter n\n"); scanf("%d",&n); for(i=0;i<=n-1;i++) { for(j=0;j<=i;j++) { printf("%d ",(((2*n-1-j)*j)/2)+(i+1)); } printf("\n"); }  }