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1, 1, 2, 3, 6, 7, 10, 11, ?

15
16
17
14
Explanation:

The given pattern is (Prime number - consecutive numbers starting with 1).

1 = 2 - 1

1 = 3 - 2

2 = 5 - 3

3 = 7 - 4

6 = 11 - 5

7 = 13 - 6

10 = 17 - 7

11 = 19 - 8

14 = 23 - 9

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