A lesson on generating functions, and clever uses of complex numbers for counting
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Artwork by Kurt Burns
Music by Vince Rubinetti
Nice writeup and video giving solutions to the exercises at the end, by Benjamin Hackl
102 Combinatorial problems, by Titu Andreescu and Zuming Feng
Generatingfunctionology by Herbert Wilf
Visualizing the Riemann zeta function
Fourier series
Timestamps
0:00 - Puzzle statement and motivation
4:31 - Simpler example
6:51 - The generating function
11:52 - Evaluation tricks
17:24 - Roots of unity
26:31
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