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Mathematician, musician, and rhythm gamer. Bronze at IMO, xenharmonic album underway, and Division 4 on FFR. What else can I say?

Proud author of Tuning is impossible – an interactive.

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20 Why is $!n\pmod{n+k}$ a multiple of $k+1$ so often? Dec 27 '19
18 Is there a prime every year if YYYYMMDD is treated as a base-$10$ number? Dec 27 '19
12 Is this sequence based on the Fibonacci numbers a prime generator? Jan 5 '20
10 What are the main ideas needed to prove that only $92$ Johnson solids exist? Jan 6 '20
9 Find the smallest integer $n>1$ such that $\frac{1}{n}\left(1+2^2+3^2+\ldots+n^2\right)$ is a perfect square Oct 27 '19
9 I heard there are 48 regular polyhedrons. With what Jan Misali calls regular polyhedrons, are there any more? Aug 6 '20
9 Formula for the area of a rhombus Oct 4 '20
7 Find all solutions in $\mathbb{N}$ to $a^a=a^b+b^a$ Jan 5 '20
7 Intuition behind Diophantine approximation: why do we express the bound as function of denominators? Oct 28 '19
7 Solving Strong Mathematical Induction Sequence Nov 4 '19
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