Tool to generate magic squares. A magic square of size N is a matrix composed of distinct integers between 1 and N^2 set such as the sum of any line or column are equal.

Magic Square - dCode

Tag(s) : Number Games, Fun/Miscellaneous, Arithmetics

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Tool to generate magic squares. A magic square of size N is a matrix composed of distinct integers between 1 and N^2 set such as the sum of any line or column are equal.

Set number 1 on the left of the median line, the other numbers are written following the rule: if the cell is empty, in the cell in the bottom right of the previous one, else directly to the left of the occupied cell. When the cell does not exist, go to the other side of the matrix.

The constant values $ M $ of the sums of the **magic squares** have a minimum value (for non-zero integer positive values).

$$ M = n (n ^ 2 + 1) / 2 $$

For a size 3x3, the minimum constant is 15, for 4x4 it is 34, for 5x5 it is 65, 6x6 it is 111, then 175, 260, ...

Any lower sum will force the use of either negative numbers or fractions (not whole numbers) to solve the **magic square**.

Franklin's square is a panmagic square with a magic constant of 260.

__Example:__

52 | 61 | 4 | 13 | 20 | 29 | 36 | 45 |

14 | 3 | 62 | 51 | 46 | 35 | 30 | 19 |

53 | 60 | 5 | 12 | 21 | 28 | 37 | 44 |

11 | 6 | 59 | 54 | 43 | 38 | 27 | 22 |

55 | 58 | 7 | 10 | 23 | 26 | 39 | 42 |

9 | 8 | 57 | 56 | 41 | 40 | 25 | 24 |

50 | 63 | 2 | 15 | 18 | 31 | 34 | 47 |

16 | 1 | 64 | 49 | 48 | 33 | 32 | 17 |

This is a 3x3 **magic square** used in Feng Shui which is represented as well

4 Wealth | 9 Fame | 2 Relationship |

3 Family | 5 Health | 7 Children |

8 Wiseness | 1 Career | 6 Help/Friends |

Kaldor's **magic square** is a square used in economics, which has nothing to do with digits or numbers of mathematics but rather with concepts from economic policy.

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