Heptacontagon Number | Finding the nth heptacontagon Number ; Driver code
def heptacontagonNum ( n ) : NEW_LINE INDENT return ( 68 * n * n - 66 * n ) // 2 ; NEW_LINE DEDENT N = 3 ; NEW_LINE print ( "3rd ▁ heptacontagon ▁ Number ▁ is ▁ = " , heptacontagonNum ( N ) ) ; NEW_LINE