N 3 n 15 July 8, 2019 16 32 64 128 N 3 4 n 15 N n 3 )= 154 2 n 3 )= 3n 15 3n 3 2n n 15 N 3 3n 5 2n 15 2 45 60 n 3 84 n 15 Se n 4 n 3 15 n 2 N 3 n N 3 -
