If the fourth term were 2568 there is a simple answer, but with the series going up and down, I have no clue.
77040
77,040
== ==
18
45
7
16
5
77040. It goes like, 107 * 2 = 214 214 * 3 = 642 642 * 4 = 2568, and so on. x * a(+1) = (a new)x Except that the word "completes" would suggest that there are no more terms. Not true!
The number which best completes the sequence below is:2 9 5 13 10 19 17?
The number which best completes the sequence below is: 2 9 5 13 10 19 17 ?
what number best completes this sequence.. 6 9 27 54 675