Number N
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Specify the largest integer n, in which the square table n × n can be filled with the natural numbers from 1 to n2 so that at least one square of the whole number is written in each of its square 3 × 3.
:-)
Specify the largest integer n, in which the square table n × n can be filled with the natural numbers from 1 to n2 so that at least one square of the whole number is written in each of its square 3 × 3.
:-)