63 and -7/4 are special - Numberphile

Dynamical sequences, prime divisors and special exceptions. More links & stuff in full description below ↓↓↓ Featuring Dr Holly Krieger from MIT. More primes: http://bit.ly/primevids More videos with Holly Krieger: http://bit.ly/HollyKrieger Since this was filmed, Holly has become a mathem

mandelbrot set
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