It is necessary to define "next" before the question can be answered.
0, 1, 1, 2, 3, 5, 8, 13, 21, 34, 55
10
11, -10, 9
100 200 20
18 34 66
25 It is the Fibonacci sequence multiplied by 5.
They are: 10 and 16
There are many possible answers. One obvious one is 13, the next number in the Fibonacci Sequence that yields the golden mean.
No it is not.
1, 1, 2, 3, 5, 8, 13, 21, 34, 55
10
0, 1, 1, 2, 3, 5, 8, 13, 21, 34, 55
8 5 4 9 1 7 6 10 3 2 0 This sequence is special because the numbers are in alphabetical order. The Fibonacci sequence is very special and the triangular sequence.
5
11
6 and 10
18 34 66