0
Anonymous
add 4 to every other number
1(+4)=5, 5(+4)=9
2(+4)=6
Wiki User
Chat with our AI personalities
Add the previous 2 numbers to get the next number.
i0 = 4; in = in-1 - 3
5-30-6-42-7-56-8-72
8. Each number is the sum of the previous two.
+2, probably.