Tag Archives: dominoes

A Case of Accidental Symmetry

The other day I was thinking about putting dominoes onto a 4-by-4 grid without any of the dominoes contacting each others’ sides. I wanted to know how many dominoes you could fit onto the 4-by-4 grid in this way, and … Continue reading

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Radlams

There are five tetrominoes: All but one of them decompose into two dominoes: For the T, no matter which domino you remove, you are left with a pair of monominoes: There are 12 pentominoes: All but one of them decomposes … Continue reading

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