Timeline for Closed form of $ \sum_{i=1}^{n-k} {n-1-i\choose k-1}i^a + \sum_{i=1}^k {n-1-i\choose n-1-k}$
Current License: CC BY-SA 4.0
1 event
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Jun 16, 2021 at 19:14 | history | answered | Max Alekseyev | CC BY-SA 4.0 |