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1. \(0,0,1,1,2,3,5,8, \ldots\text{.}\)

2. \(1, 0, 1, 0, 2, 0, 3, 0, 5, 0, 8, 0, \ldots\text{.}\)

3. \(1, 3, 18, 81, 405, \ldots\text{.}\)

4. \(1, 2, 4, 7, 12, 20, \ldots\text{.}\)