3 n 2n July 8, 2019 16 32 64 128 3 n 2n 1 is divisible by 4 3 n 2nd st 3 n 2nd st coplay pa 3 n 2n 1 3 n 2n 2 3 n 2n 2 1 n (- 3 n )(- 2n 5 N 3 2n is divisible by 3n 3 2n 4 3n 3 )( 2n 1 3n 3 )( 2n 2 3n 3 2n 3n 3 2n 5
