Timeline for Sum of squares of multinomial coefficients
Current License: CC BY-SA 4.0
6 events
| when toggle format | what | by | license | comment | |
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| Oct 30, 2021 at 21:39 | comment | added | Noam D. Elkies | Already for squares of trinomial coefficients there is a lot of literature but no closed formula (see oeis.org/A002893). For quadrinomials, see oeis.org/A002895 which also gives extensive links, and also the name "Domb numbers" [Named after the British-Israeli theoretical physicist Cyril Domb (1920-2012)"], but no closed form despite the appearance of $256 = 4^4$ as the $n=3$ sum. | |
| Oct 30, 2021 at 2:04 | history | edited | Sam Hopkins |
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| Oct 29, 2021 at 15:17 | answer | added | T. Amdeberhan | timeline score: 9 | |
| Oct 28, 2021 at 23:29 | comment | added | Sam Hopkins | See mathoverflow.net/questions/128249/…. It is unlikely there is any "nice" exact answer. | |
| Oct 28, 2021 at 23:27 | history | edited | Sam Hopkins | CC BY-SA 4.0 |
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| Oct 28, 2021 at 23:18 | history | asked | Miklos Bona | CC BY-SA 4.0 |