18
t(n) = (2n5 - 35n4 + 230n3 - 715n2 + 1178n - 600)/60 for n = 1, 2, 3, ...
266
The next number in the sequence is 480
35
10
The next number in the sequence is 27.
5
21
The next number in the sequence would be 25.
266
311311122110
120
The next number in the sequence is 480
35
12
Consecutive terms in the sequence are found by dividing by 2 and adding 2. Therefore, after the number 10 comes 10/2 + 2 = 7.
5
3