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