Timeline for Approximate size of the image of functions $f:[n]\to[n]$ [closed]
Current License: CC BY-SA 4.0
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Feb 21, 2023 at 13:03 | history | closed |
Ben Barber Emil Jeřábek Sean Eberhard Ivan Izmestiev Boris Bukh |
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Feb 20, 2023 at 13:25 | vote | accept | Dominic van der Zypen | ||
Feb 20, 2023 at 9:39 | comment | added | Gerry Myerson | The sum, before you divide by $n^n$, is tabulated at oeis.org/A152170 and the formula $(n^n-(n-1)^n)n$ is given, as well as (in the current notation) $\lim_{n\to\infty}n^{-1}E_n=1-(1/e)$. | |
Feb 20, 2023 at 1:37 | history | edited | Tony Huynh |
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Feb 19, 2023 at 23:20 | review | Close votes | |||
Feb 21, 2023 at 13:03 | |||||
Feb 19, 2023 at 21:38 | answer | added | Tony Huynh | timeline score: 15 | |
Feb 19, 2023 at 21:12 | history | asked | Dominic van der Zypen | CC BY-SA 4.0 |