3n n 2 0 July 8, 2019 16 32 64 128 3n 4 )( n 2 )= 0 3n 2 n 1 0 N 2 3n 18 0 N 2 3n 28 0 N 2 3n 10 0 N 2 3n 54 0 N 2 3n 108 0 N 2 3n 70 0 N 2 3n 180 0 N 2 3n 8 0 3n 2 n 574 0 3n 2 n 310 0 3n 2 n 200 0 3n 2 n 1430 0 3n 2 n 690 0