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 Feb 7 awarded Inquisitive Feb 6 asked Is there a measure which allows me to tell how closely something is to an ellipse? Jan 30 comment Maximum number less than $n$ with number of divisors exactly equal to $k$ @DanielFischer hackerrank.com/contests/worldcodesprint/challenges/… Jan 30 comment Number of binary numbers given constraints on consecutive elements @DanielFischer unfortunately you have to register there to be able to see a list of problems. The problem there was absolutely the same as posted here (even the example with 1, 1, 2, 1). Right now the competition finished, and everyone can see the solutions, so this guy is surely no longer interested in the solution :-). Jan 30 comment Number of binary numbers given constraints on consecutive elements Ongoing competition: hackerrank.com/contests/worldcodesprint/challenges/… Such a coincidence that your professor gave this problem just during the competition :-). Has he gave any other questions from the competition? Jan 30 comment No. of ways to Generate the String do not forget to add that you want to cheat in a programming competition and that in a couple of hours the solution will be visible to everyone. So you basically force other people to solve it for you to collect points you do not deserve Jan 30 comment Find the different Binary String do not forget to add that you want to cheat in a programming competition and that in a couple of hours the solution will be visible to everyone. So you basically force other people to solve it for you to collect points you do not deserve Jan 30 comment Maximum number less than $n$ with number of divisors exactly equal to $k$ do not forget to add that you want to cheat in a programming competition and that in a couple of hours the solution will be visible to everyone. So you basically force other people to solve it for you to collect points you do not deserve Jan 25 comment Is there any mathematic meaning of generating function at some value? @BrevanEllefsen sorry, that 1.5 was from old question, when I incorrectly calculated the radius. Jan 25 revised Is there any mathematic meaning of generating function at some value? added 22 characters in body Jan 25 comment Is there any mathematic meaning of generating function at some value? @BrevanEllefsen thank you for spotting a mistake. My interpretation of fibonacci sequence is $f_n = f_{n-1} + f_{n-2)$ but it would be nice to hear the answer for both cases. Jan 25 revised Is there any mathematic meaning of generating function at some value? edited body Jan 25 asked Is there any mathematic meaning of generating function at some value? Jan 21 accepted Computation of bernuli number Jan 21 asked Computation of bernuli number Jan 20 comment probability that a string of length $m$ over the alphabet of length $n$ will have exactly $k$ as the number of most frequent elements @dREaM thank you for a reply. It kind of makes sense to me that you take $a$ from generating functions, but it is unclear to me why do you divided by combinations with replacements and not by $n^m$. Also is there a hope to get an easier formula? Jan 19 asked probability that a string of length $m$ over the alphabet of length $n$ will have exactly $k$ as the number of most frequent elements Jan 17 comment How to interpret negative probability for a strategy in mixed nash equilibrium? @Shane I am really sorry. I was speaking about zero-sum games. I should have been more clear. Jan 17 comment Closed form or approximation of $\sum\limits_{i=0}^{n-1}\sum\limits_{j=i + 1}^{n-1} \frac{i + j + 2}{(i + 1)(j+1)} (i + 2x)(j +2x)$ wow, this is just amazing. Thank you Jan 17 accepted Closed form or approximation of $\sum\limits_{i=0}^{n-1}\sum\limits_{j=i + 1}^{n-1} \frac{i + j + 2}{(i + 1)(j+1)} (i + 2x)(j +2x)$