# Fill in the number that fits best: 1, 2, 4, 7, 11, …, 22.

The problem is based on the pattern of numbers.

## Answer: The number that fits best in the sequence 1, 2, 4, 7, 11, …, 22 is 16.

Let's find the missing number in the sequence: 1, 2, 4, 7, 11, …, 22

**Explanation:**

Les take the difference of these numbers:

1, 2, 4, 7, 11, ..., 22

So, the rule boils down to:

1 +** 0** , 1 +** 1**, 2 +** 2**, 4 +** 3**, 7 +** 4** , 11 +** 5**, *16* +

**6**, 22 +

**7,**...

### Thus, 16 is the number that fits the best in 1, 2, 4, 7, 11, …, 22.

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