more about the Birch and Swinnerton-Dyer Conjecture, P vs NP, more figurate numbers, Hodge conjecture, Yang-Mills existence and mass gap, Fermat’s Last Theorem, Sierpinski Triangle, Hilbert Space Filling Curve, Mandelbrot Set, Burning Ship Fractal, Complex Analysis, Lattice Multiplication, miscellaneous numberphile and vihart videos, practical numbers, abundant numbers, ulam sequence, pronic numbers, lucky numbers, proth numbers, thabit numbers, hilbert numbers, leyland numbers, fibonacci numbers, jacobsthal numbers, pell numbers, pell-lucas numbers, leonardo numbers, perrin numbers, polite numbers, motzkin numbers, Erdős–Woods numbers, vampire numbers, Recursion and Mafia, maths jokes that I wrote myself and why they are funny, Abelian groups and semigroups, noncommutative operations, the 68-95-99.7 rule, fro99er’s first theorem