10 30 15 16 48 24 25 x3 1/2 +1 x3 1/2 +1
10
10
5
10
26 As far as I can tell the sequence is +10,-5,+10,-5.
it is 7
15
The next number in the sequence is 480
27.
next in the sequence: 10,20,30,20
The next number in the sequence is 27.
5+5 = 10 10+5 = 15 15-5 = 15 10+5 = 15