human
Write me a code to icosidigonal number and the other steps required given the following:
Icosidigonal number | Function to calculate Icosidigonal number.
Formula for finding nth Icosidigonal number.
Driver Code"
Solution in Python:
assistant
#Here is code to icosidigonal number and the other steps required.
 def icosidigonal_num ( n ) :
	return ( 20 * n * n - 18 * n ) // 2
if __name__ == ' _ _ main _ _ ' :
	n = 4
	print ( n , " th ▁ Icosidigonal ▁ " + " number ▁ : ▁ " , icosidigonal_num ( n ) )
	n = 8
	print ( n , " th ▁ Icosidigonal ▁ " + " number ▁ : ▁ " , icosidigonal_num ( n ) )