Timeline for Do identities exist for the binomial series $\sum_{k=m+1}^{n+1} \binom{k}{m} \binom{n+1}{k-1} $?
Current License: CC BY-SA 4.0
4 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Sep 19, 2020 at 16:52 | vote | accept | Max Lonysa Muller | ||
| Sep 19, 2020 at 13:43 | answer | added | Random | timeline score: 3 | |
| Sep 19, 2020 at 12:01 | comment | added | mathworker21 | Can't you kinda disprove that a closed form exists by considering $n,m$ close together. Like if $n-m = 1$, you get something. If $n-m=2$, you get something. If $n-m = 3$, you get something. I bet finding a closed form / identity that covers these three cases is already very nontrivial (or maybe if you also consider $n-m=4$). | |
| Sep 19, 2020 at 9:56 | history | asked | Max Lonysa Muller | CC BY-SA 4.0 |