$\"\"$

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The function is $\"\"$ and initial value of $\"\"$ .

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$\"\"$

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$\"\"$ (Substitute $\"\"$ )

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$\"\"$ ( $\"\"$ )

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$\"\"$ (Multiply: $\"\"$ )

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$\"\"$ (Subtract: $\"\"$ ) $\"\"$

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$\"\"$

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$\"\"$ (Substitute $\"\"$ )

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$\"\"$ ( $\"\"$ )

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$\"\"$ (Multiply: $\"\"$ )

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$\"\"$ (Subtract: $\"\"$ ) $\"\"$

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$\"\"$

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$\"\"$ (Substitute $\"\"$ )

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$\"\"$ ( $\"\"$ )

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$\"\"$ (Multiply: $\"\"$ )

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$\"\"$ (Subtract: $\"\"$ ) $\"\"$

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The first three iterates are 5, 11 and 29.