I had never seen polyominoes used professionally for mathematics. However, I was reminded of seeing them in the teen novel Chasing Vermeer [0]. [0]https://en

I had never seen polyominoes used professionally for mathematics. However, I was reminded of seeing them in the teen novel Chasing Vermeer [0]. [0]https://en.m.wikipedia.org/wiki/Pentomino#Literature https://en.m.wikipedia.org/wiki/Pentomino#Literature