$\"\"$

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The formula for recursively defined sequence is $\"\"$ .

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The first term of the sequence is $\"\"$ .

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Find the first five terms.

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$\"\"$ .

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For $\"\"$ , $\"\"$ .

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Substitute $\"\"$ .

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$\"\"$ .

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For $\"\"$ , $\"\"$ .

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Substitute $\"\"$ .

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$\"\"$

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$\"\"$ .

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For $\"\"$ , $\"\"$ .

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Substitute $\"\"$ .

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$\"\"$

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$\"\"$ .

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For $\"\"$ , $\"\"$ .

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Substitute $\"\"$ .

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$\"\"$

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$\"\"$ .

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Therefore, the first five numbers are $\"\"$ , $\"\"$ , $\"\"$ , $\"\"$ , $\"\"$ .

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$\"\"$

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The five terms of the sequence is $\"\"$ , $\"\"$ , $\"\"$ , $\"\"$ , $\"\"$ .