Timeline for Binomial ID $\sum_{k=m}^p(-1)^{k+m}\binom{k}{m}\binom{n+p+1}{n+k+1}=\binom{n+p-m}{n}$
Current License: CC BY-SA 3.0
2 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Dec 5, 2016 at 3:07 | comment | added | Noam D. Elkies | Presumably "well-known", but easier to redo than to track down in the literature. | |
| Dec 5, 2016 at 3:06 | history | answered | Noam D. Elkies | CC BY-SA 3.0 |