Ultra 15x15 in 17x17 magic square (1)

 

Take a ultra magic 15x15 square and add 32 to all numbers, so in the 15x15 inlay are the 225 middle numbers from 33 up to 257.

 

In the border are the 32 lowest (1 up to 32) and the 32 highest (258 up to 289) numbers. Read the explanation on webpage 3x3 in 5x5 & concentric, how to construct the border.

 

See in the download below how the 17x17 border has been constructed or use the download to puzzle your own border.

 

The result is:

 

 

Ultra 15x15 in 17x17 magic square

16

32

29

28

26

23

22

19

275

276

279

280

283

284

287

288

18

259

99

222

111

97

226

114

102

216

112

106

219

117

96

217

121

31

260

242

35

160

240

33

167

230

40

165

228

47

155

235

45

153

30

263

79

148

209

83

146

199

88

149

203

86

139

208

89

143

206

27

265

129

252

51

127

256

54

132

246

52

136

249

57

126

247

61

25

266

182

65

190

180

63

197

170

70

195

168

77

185

175

75

183

24

269

94

223

119

98

221

109

103

224

113

101

214

118

104

218

116

21

270

234

42

156

232

46

159

237

36

157

241

39

162

231

37

166

20

273

92

140

205

90

138

212

80

145

210

78

152

200

85

150

198

17

13

124

253

59

128

251

49

133

254

53

131

244

58

134

248

56

277

12

174

72

186

172

76

189

177

66

187

181

69

192

171

67

196

278

9

107

215

115

105

213

122

95

220

120

93

227

110

100

225

108

281

8

229

43

164

233

41

154

238

44

158

236

34

163

239

38

161

282

5

84

147

201

82

151

204

87

141

202

91

144

207

81

142

211

285

4

137

245

55

135

243

62

125

250

60

123

257

50

130

255

48

286

1

169

73

194

173

71

184

178

74

188

176

64

193

179

68

191

89

272

258

261

262

264

267

268

271

15

14

11

10

7

6

3

2

274 

 

 

You can use this method to construct magic squares of odd order from 5x5 to infinity. See on this website 5x57x79x911x1113x1315x1517x1719x1921x2123x2325x2527x2729x29 31x31

 

Download
17x17, ultra 15x15 in 17x17 (1).xls
Microsoft Excel werkblad 52.0 KB