30, and the rule is
Un = (19n3 - 138n2 + 275n - 120)/6
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5.
Seven. (7)
5
5
4646564
its +2, +2, -1... so the next is 10
It looks like it's 5
.125
10
9
10
The next number is 7 Am i right ❓ Solution 6-2=4 4+3= 7 7-2 = 5 5+3=8 8-2=6 6+3=9 So next is 9-2= 7 .