This post goes to Patronizers in September and becomes public in October. Not a Patronizer? You could be! $12 a year gets you my latest updates, occasional free tidbits, and the completely pointless MWL Footnote Fortune File. Operation Acclimate To Mac proceeds apace. So does Project Math The Networking for System Administrators Kickstarter. The Mac … Continue reading "September’s Stillicidious Sausage"| Michael W Lucas
This post goes to Patronizers in July and becomes public in August. Not a Patronizer? You could be! $12 a year gets you my latest updates, occasional free tidbits, and the completely pointless MWL Footnote Fortune File.| Michael W Lucas
I wrote about superpermutations here: a superpermutation is a string that has as substrings all the permutations of some set of symbols. For example, there are six permutations of the symbols 1, 2,…| Bosker Blog
The purpose of this post is to describe a slightly different way of thinking about the existence – or otherwise – of a 3×3 magic square of squares. Of course it may not lead to any real progress, b…| Bosker Blog
In the last post we saw that every 3×3 almost-magic square is a rearrangement of three three-term arithmetic progressions that have the same common difference. In other words, if we pick any three …| Bosker Blog
A recent Numberphile video discussed an intriguing unsolved problem in number theory: is there a 3×3 magic square whose entries are all square numbers? (Matt Parker proposed a solution which doesn’…| Bosker Blog
The UK Government Statistical Service recently released its good practice guidance for releasing statistics in spreadsheets. While this advice is clearly well-intentioned*, and parts of it are good…| Bosker Blog
What’s the shortest string that contains every possible permutation of ABCD somewhere inside it? As it happens, it’s 33 letters long: ABCDABCADBCABDCABACDBACBDACBADCBA. A string like this is called…| Bosker Blog
