Diff selection: Mark the radio buttons of the revisions to compare and hit enter or the button at the bottom.
Legend: (cur) = difference with latest revision, (prev) = difference with preceding revision, m = minor edit.
Legend: (cur) = difference with latest revision, (prev) = difference with preceding revision, m = minor edit.
| rev | Bot | (Created page with "<div class="d-none"><math> \newcommand{\mathds}{\mathbb}</math></div> {{Alert-warning|This article was automatically generated from a tex file and may contain conversion errors. If permitted, you may login and edit this article to improve the conversion. }}Prove that the number of partial permutations is given by <math display="block"> |\widetilde{S}_N|=\sum_{k=0}^Nk!\binom{N}{k}^2 </math> that is, <math>1,2,7,34,209,\ldots\,</math>, and that we have the estimate <...") | Apr 22'25 at 0:13 | +610 |