perplexus.info :: Numbers : Magic constant

Magic constant (Posted on 2005-02-23)

In a magic NxN square, numbers from 1 to N² are set so the numbers in each row, column, or major diagonal, have the same sum: the "magic constant".

What is the value of this constant, as a function of N?

See The Solution Submitted by e.g.

Rating: 1.7500 (4 votes)

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Puzzle Thoughts

| Comment 6 of 10 |

The required value of this constant for N>=3 is N(N^2+1)/2.

Edited on May 26, 2023, 1:45 am

Posted by K Sengupta on 2023-03-25 02:12:03

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