Timeline for On the sum $\sum_{k=b}^{a-1} \binom{2k+1+n}{2n+1}\binom{2a-1}{a+k}$
Current License: CC BY-SA 4.0
7 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Jan 7, 2020 at 15:44 | vote | accept | Timothy Budd | ||
| Jan 6, 2020 at 15:22 | history | edited | Timothy Budd | CC BY-SA 4.0 |
added 113 characters in body
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| Jan 6, 2020 at 15:18 | answer | added | Timothy Budd | timeline score: 2 | |
| Jan 5, 2020 at 16:42 | comment | added | Mark Wildon | Thanks. Sorry, I now see this is quite obvious. | |
| Jan 5, 2020 at 16:37 | comment | added | Timothy Budd | For $k<n/2$ the summand vanishes, so I suppose the condition is necessary (but have not thought deeply about it). | |
| Jan 5, 2020 at 16:27 | comment | added | Mark Wildon | Do you know if the condition $b \ge n/2$ is necessary? And/or, could you give some motivation for it? | |
| Jan 5, 2020 at 10:54 | history | asked | Timothy Budd | CC BY-SA 4.0 |