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Sum of square of first n even numbers | Efficient Python3 code to find sum of square of first n even numbers.
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Solution in Python:
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#Here is code to sum of square of first n even numbers and the other steps required.
 def squareSum ( n ) :
	return int ( 2 * n * ( n + 1 ) * ( 2 * n + 1 ) / 3 )
ans = squareSum ( 8 )
print ( ans )