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.

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

17x17, ultra 15x15 in 17x17 (1).xls