Q: What number comes next in this sequence 2 3 5 9 17?

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27.

The next number is 27. Nice puzzle! The reason is on discussion page, for those who are still working on it.

This is a peculiar number sequence which follows the following rule: +7, -4, +8, -3, +9, -2... The next few functions would be +10, -1, +11, -0 And thus the next few numbers in the sequence would be 17+10=27, 27-1=26, and so on. The sequence in total goes 2, 9, 5, 13, 10, 19, 17, 27, 26, 37, 37.

49

10

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27.

It is 129.

Think it's 30...then 20

The next number in the sequence is 27.

The next number is 27. Nice puzzle! The reason is on discussion page, for those who are still working on it.

This is a peculiar number sequence which follows the following rule: +7, -4, +8, -3, +9, -2... The next few functions would be +10, -1, +11, -0 And thus the next few numbers in the sequence would be 17+10=27, 27-1=26, and so on. The sequence in total goes 2, 9, 5, 13, 10, 19, 17, 27, 26, 37, 37.

31. Each number is derived from the sequence minus 6 then plus 17. Cobblestoneplaza.com

333

55

49

10

485