In the following series what is the nth term: 1, 1, 2, 3, 5, 8, 13...

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The series provided has the terms 1, 1, 2, 3, 5, 8, 13 ... It can be seen that the nth term `T_n` is the sum of the two preceding terms. Or `T_n = T_(n - 1) + T_(n - 2)` . Of course, this applies only from the 3rd term...

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