Am 31.07.2010 22:39, schrieb Orchid XP v8:
> As you really ought to know, a domino is a tile with two numbers printed
> on it. Aside from the fact that people try balancing them and then
> knocking them over, you can play various games that involve arranging
> dominos end-to-end such that adjacent ends have identical numbers. But
> given a limited number of dominos, there is presumably only a certain
> number of ways of doing this.
>
> Now it really sounds like there ought to be a mathematical theory
> underlying this idea. But I have no clue what it's called...

That would be combinatorics.

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