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[数列] 数列压轴题

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hao124 posted 2021-6-4 23:04 |Read mode
Last edited by hbghlyj 2025-5-16 00:30已知数列 $\an$ 满足 $n$ 为奇数时 $a_n=0$, $n$ 为偶数时 $a_n=a_{n / 2}+1$。记 $b_n=\frac{a_n}{2^n}, c_n=\frac{a_n}{4^n}$,数列 $\bn,\cn$ 的前 $n$ 项和分别为 $S_n, T_n$。若实数 $\lambda$ 满足对一切 $n \inN^+$,均有 $S_n<T_n+\lambda$,则 $\lambda$ 的最小值为

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