Question

Discrete math Give a recursive definition for the sequence: 2, 4, 8, 16, 32 …

Answer 1

a(2)=a(1)(2)   =   2(2)=4
a(3)=a(2)(2)   =   4(2)=8
a(4)=a(3)(2)   =   8(2)=16
a(5)=a(4)(2)   =   16(2)=32