13x13 concentric magic square with diamond

 

A concentric magic square is nice. A concentric magic square with diamond is even better; see i.e. the 15x15 Al Antaakii concentric magic square with diamond. In the diamond are alle odd numbers (and outside the diamond are the even numbers).

 

How to construct a concentric magic square with diamond? Puzzle in EXCEL and see the result below:

 

 

13x13 concentric magic square with diamond

140

34

134

38

130

42

5

126

124

92

102

56

82

50

116

150

22

146

35

151

137

26

28

76

48

120

52

156

6

162

161

157

21

25

29

96

108

14

118

112

12

168

47

37

41

121

117

113

119

2

158

58

110

10

31

131

103

95

65

63

99

39

139

160

60

106

1

27

127

73

79

93

83

97

43

143

169

64

7

147

153

125

69

89

85

81

101

45

17

23

163

66

167

155

55

109

87

77

91

61

115

15

3

104

100

154

159

59

71

75

105

107

67

111

11

16

70

98

18

4

51

133

129

49

53

57

123

166

152

72

90

32

62

8

9

13

149

145

141

74

164

138

80

86

122

20

148

24

135

19

33

144

142

94

54

84

88

136

36

132

40

128

165

44

46

78

68

114

30

 

 

Puzzle yourself using the EXCEL download below.

 

Download
Al Antaakii 13x13.xls
Microsoft Excel werkblad 49.0 KB

 

For each magic square of odd order, you can construct a concentric magic square with diamond. See on this website:

3x35x57x79x911x1113x1315x1517x1719x1921x2123x2325x2527x2729x29 and 31x31