Math Problem Statement

Có bao nhiêu xâu gồm n ký tự (n ≥ 1) với các ký tự 0, 1, 2 sao cho không có hai ký tự 0 nào đứng cạnh nhau

Solution

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Math Problem Analysis

Mathematical Concepts

Combinatorics
Recurrence relations

Formulas

Recurrence relation formulas

Theorems

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Suitable Grade Level

Advanced High School