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Most-perfect magic square

Data

Most-perfect magic square
Summary

Data

Parshvanath Jain temple]] in [[Khajuraho]], India
96154

|- the indian numerals |}

A most-perfect magic square of order n is a magic square containing the numbers 1 to n2 with two additional properties:

  1. Each 2 × 2 subsquare sums to 2s, where .
  2. All pairs of integers distant n/2 along a (major) diagonal sum to s.

There are 384 such combinations.

Examples

Panchangam]] published by [[Sringeri Sharada Peetham]].
Construction of a fourth-order most-perfect magic square from a [[Latin square]] with distinct diagonals, M, and its [[transpose]], M<sup>T</sup>.

Two 12 × 12 most-perfect magic squares can be obtained adding 1 to each element of:

[,1] [,2] [,3] [,4] [,5] [,6] [,7] [,8] [,9] [,10] [,11] [,12] [1,] 64 92 81 94 48 77 67 63 50 61 83 78 [2,] 31 99 14 97 47 114 28 128 45 130 12 113 [3,] 24 132 41 134 8 117 27 103 10 101 43 118 [4,] 23 107 6 105 39 122 20 136 37 138 4 121 [5,] 16 140 33 142 0 125 19 111 2 109 35 126 [6,] 75 55 58 53 91 70 72 84 89 86 56 69 [7,] 76 80 93 82 60 65 79 51 62 49 95 66 [8,] 115 15 98 13 131 30 112 44 129 46 96 29 [9,] 116 40 133 42 100 25 119 11 102 9 135 26 [10,] 123 7 106 5 139 22 120 36 137 38 104 21 [11,] 124 32 141 34 108 17 127 3 110 1 143 18 [12,] 71 59 54 57 87 74 68 88 85 90 52 73

[,1] [,2] [,3] [,4] [,5] [,6] [,7] [,8] [,9] [,10] [,11] [,12] [1,] 4 113 14 131 3 121 31 138 21 120 32 130 [2,] 136 33 126 15 137 25 109 8 119 26 108 16 [3,] 73 44 83 62 72 52 100 69 90 51 101 61 [4,] 64 105 54 87 65 97 37 80 47 98 36 88 [5,] 1 116 11 134 0 124 28 141 18 123 29 133 [6,] 103 66 93 48 104 58 76 41 86 59 75 49 [7,] 112 5 122 23 111 13 139 30 129 12 140 22 [8,] 34 135 24 117 35 127 7 110 17 128 6 118 [9,] 43 74 53 92 42 82 70 99 60 81 71 91 [10,] 106 63 96 45 107 55 79 38 89 56 78 46 [11,] 115 2 125 20 114 10 142 27 132 9 143 19 [12,] 67 102 57 84 68 94 40 77 50 95 39 85

Properties

All most-perfect magic squares are panmagic squares.

Apart from the trivial case of the first order square, most-perfect magic squares are all of order 4n. In their book, Kathleen Ollerenshaw and David S. Brée give a method of construction and enumeration of all most-perfect magic squares. They also show that there is a one-to-one correspondence between reversible squares and most-perfect magic squares.

For n = 36, there are about 2.7 × 1044 essentially different most-perfect magic squares.

References

  • Kathleen Ollerenshaw, David S. Brée: Most-perfect Pandiagonal Magic Squares: Their Construction and Enumeration, Southend-on-Sea : Institute of Mathematics and its Applications, 1998, 186 pages, ISBN 0-905091-06-X
  • T.V.Padmakumar, Number Theory and Magic Squares, Sura books , India, 2008, 128 pages, ISBN 978-81-8449-321-4
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