摘要: 定义 \[ B_n = [n = 0] - \frac 1{n + 1} \sum_{i=0}^{n-1} \binom {n + 1} i B_i \] 同时有 \[ \hat{B}(x) = \sum_{i \geq 0} B_i \frac {x^i} {i!} = \frac x{e^x - 阅读全文
posted @ 2021-02-23 18:55 xgzc 阅读(249) 评论(0) 推荐(0) 编辑