15th-order row-column bimagic square and magic square  

by   Li  Wen  in  china

6 127 98 144 190 116 162 208 29 75 211 47 33 169 80
99 145 186 7 128 209 30 71 117 163 34 170 76 212 48
187 8 129 100 141 72 118 164 210 26 77 213 49 35 166
130 96 142 188 9 165 206 27 73 119 50 31 167 78 214
143 189 10 126 97 28 74 120 161 207 168 79 215 46 32
106 152 198 19 65 216 52 38 174 85 11 132 103 149 195
199 20 61 107 153 39 175 81 217 53 104 150 191 12 133
62 108 154 200 16 82 218 54 40 171 192 13 134 105 146
155 196 17 63 109 55 36 172 83 219 135 101 147 193 14
18 64 110 151 197 173 84 220 51 37 148 194 15 131 102
221 57 43 179 90 1 122 93 139 185 111 157 203 24 70
44 180 86 222 58 94 140 181 2 123 204 25 66 112 158
87 223 59 45 176 182 3 124 95 136 67 113 159 205 21
60 41 177 88 224 125 91 137 183 4 160 201 22 68 114
178 89 225 56 42 138 184 5 121 92 23 69 115 156 202

1.the sum of the entries of any row, any column, or any main diagonal is 1695

2.the square sum of the entries of any row, any column, is 254815

3.square sum of the entries of  any main diagonal is 2873025