-31.
The rule is
t(n) = -2n3 + 12n2 -19n + 14 where n = 1, 2, 3, ...
The number 7 comes next.
-27 You subtract powers of 2 everytime... 1,2,4,8,16
731
239
prime numbers - next number is 13
33
11 comes next.
The number 7 comes next.
-27 You subtract powers of 2 everytime... 1,2,4,8,16
731
8
14
239
It's a pattern of odd numbers- so... nine is next, then eleven, and so on. 1-3-5-7-9-11....
prime numbers - next number is 13
nothing
65