human
257 | Function to find the nth 257 - gon Number.
Driver Code"
Solution in Python:
 Give me a code to 257 and the other steps required?
assistant
#Here is code to 257 and the other steps required.
 def gonNum257 ( n ) :
	return ( 255 * n * n - 253 * n ) // 2 ;
n = 3 ;
print ( gonNum257 ( n ) ) ;