C Program to print Number Triangle

Like alphabet triangle, we can write the c program to print the number triangle. The number triangle can be printed in different ways.

Let's see the c example to print number triangle.

Output:

enter the range= 4
   1
  121
 12321
1234321 

enter the range= 7
      1
     121
    12321
   1234321
  123454321
 12345654321
1234567654321