Question

已知數列{a_n}滿足：a_4n－3＝1，a_4n－1＝0，a_2n＝a_n，n∈N^*，則a₂₀₀₉＝________；a₂₀₁₄＝________.

Answer 1

1　0

a₂₀₀₉＝a_503×4－3＝1，a₂₀₁₄＝a_2×1007＝a₁₀₀₇＝a_4×252－1＝0.