The next number in the sequence can be determined in infinitely many ways. One possible answer is the quartic polynomial,
Un = (5n4 - 60n3 + 246n2 - 403n + 248)/2 for n = 1 , 2, 3, ...
U6, the next term is 103.
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Since the numbers are going down be 5,4,3,2, the next number would be 3. It would be 3 because it would then go down by one.
it is 31818 - 8 = 1010 - 4 = 66 - 2 = 44 - 1 = 3
The nest number in the sequence is 18. Note that the difference between each number and the next number in the sequence follows the simple sequence of 1,2,3,4. Obviously the next in the sequence of increases is 5, so 13+5=18.
30!
14. The rule is t(n) = (-7n3 + 57n2 - 110n + 84)/6 for n = 1 , 2, 3, ...