1 n 2 3 4 5 5 July 8, 2019 16 32 64 128 4 m 2 )= 1 5n 3 n 2 )= 5 2m M 1 )/ 5 8 /( n 2 p 3 )/ 10 4 5 1 2 3 4 5 n 55 + 1 + 2 + 3 + 4 + 5