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Dobble (The Mathematics Of) (2018)
Exploring the mathematics of the card game, Dobble.
Another way to understand why triangular numbers work well is to make a matrix of cards, showing which symbols they share. One interesting property which appears completely unrelated, is that this sequence of numbers occurs along the diagonal if you write the positive integer in a grid, starting in the middle and spiralling out. The simplest non-trivial linear space consists of three points and corresponds nicely to how we arranged the three cards like dominos.
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