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# Puzzles

## Archive

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## Square pairs

Source: Maths Jam
Can you order the integers 1 to 16 so that every pair of adjacent numbers adds to a square number?
For which other numbers $$n$$ is it possible to order the integers 1 to $$n$$ in such a way?
If you enjoyed this puzzle, check out Sunday Afternoon Maths LIX,
puzzles about sums, or a random puzzle.