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Discover patterns and find formulas - both explicit and recursive.
Different number sequences are presented on the 28 red cards, both numerically and geometrically. How is the nth number in the number sequence calculated?
The formula (explicit formula) is to be found on one of the 28 green cards.
An alternative problem is to look for the recursive formula. It is used to calculate the number sequence's nth number if you know the number before, number n-1.
Answers supplied.
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