Drivers Code
public static void Main ( ) { long n = 5 ; Console . WriteLine ( n + " th ▁ " + " Hexadecagonal ▁ number ▁ : ▁ " + hexadecagonalNum ( n ) ) ; n = 9 ; Console . WriteLine ( n + " th ▁ " + " Hexadecagonal ▁ number ▁ : ▁ " + hexadecagonalNum ( n ) ) ; } }