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# Sunday Afternoon Maths LVIII

## Archive

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Posted on 2017-01-01

## Placing Plates

Two players take turns placing identical plates on a square table. The player who is first to be unable to place a plate loses. Which player wins?

## Factorial Pattern

$$1\times1!=2!-1$$ $$1\times1!+2\times2!=3!-1$$ $$1\times1!+2\times2!+3\times3!=4!-1$$
Does this pattern continue?
If you enjoyed these puzzles, check out Sunday Afternoon Maths LX,
puzzles about ellipses, or a random puzzle.
© Matthew Scroggs 2017