Question

6,15,33,69,141,285,?

Answer 1

558
$6 + 15 + 33 + 69 + 141 + 285$

Answer 2

Answer:

573

Step-by-step explanation:

15-6=9

33-15=18(9*2)

69-33=36(18*2)

141-69=72(36*2)

285-141=144(72*2)

573 - 288=285