private static int METHOD_1 ( int size ) { int sum = 1 ; for ( int i = INT_1 ; i < ( size * INT_2 ) ; i += INT_2 ) { sum += ( ( INT_3 * i ) * i ) - ( INT_4 * ( i - 1 ) ) ; } return sum ; }

private static int METHOD_1 ( int size ) { int sum = 1 ; for ( int i = INT_1 ; i <= size ; i += INT_2 ) { sum += ( ( INT_3 * i ) * i ) - ( INT_4 * ( i - 1 ) ) ; } return sum ; }
