n=x3+y3+2z3
D5 Sum of four cubes.
in Richard K. Guy, "Unsolve Problems in Number Theory" Second Edition, Springer-Verlag, 1994
Solutions of n=x3+y3+2z3
200 <= n <= 299, max{|x|,|y|,|z|} <= 4*106.
| n | x | y | z |
| 200 | 31 | 119 | -95 |
| 201 | 1 | 6 | -2 |
| 202 | -5 | 7 | -2 |
| 203 | -10 | 11 | -4 |
| 204 | 33 | 35 | -34 |
| 205 | 4 | 5 | 2 |
| 206 | 3 | 5 | 3 |
| 207 | -2 | 7 | -4 |
| 208 | 249 | -281 | 150 |
| 209 | -14 | -41 | 33 |
| 210 | -2 | 6 | 1 |
| 211 | 28 | 73 | -59 |
| 212 | 29 | 47 | -40 |
| 213 | 3 | -4 | 5 |
| 214 | 0 | 6 | -1 |
| 215 | -2 | -3 | 5 |
| 216 | 0 | 6 | 0 |
| 217 | 1 | 6 | 0 |
| 218 | 0 | 6 | 1 |
| 219 | 3 | 4 | 4 |
| 220 | -5 | 7 | 1 |
| 221 | 59 | -70 | 41 |
| 222 | -1 | -3 | 5 |
| 223 | 0 | -3 | 5 |
| 224 | 1 | -3 | 5 |
| 225 | -4 | 7 | -3 |
| 226 | -3 | 5 | 4 |
| 227 | 3 | 6 | -2 |
| 228 | 37 | 39 | -38 |
| 229 | -2276 | -2627 | 2464 |
| 230 | -14101 | 27293 | -20617 |
| 231 | 2 | -3 | 5 |
| 232 | -7 | -17 | 14 |
| 233 | 1 | 6 | 2 |
| 234 | -2 | -2 | 5 |
| 235 | -3 | 8 | -5 |
| 236 | -3 | -39 | 31 |
| 237 | -20 | 21 | -8 |
| 238 | 4 | -8 | 7 |
| 239 | 41 | 182 | -145 |
| 240 | 39 | 41 | -40 |
| 241 | -1 | -2 | 5 |
| 242 | 0 | -2 | 5 |
| 243 | 1 | -2 | 5 |
| 244 | -21 | 23 | -11 |
| 245 | -2 | 5 | 4 |
| 246 | 40 | 42 | -41 |
| 247 | -17 | 22 | -14 |
| 248 | -1 | -1 | 5 |
| 249 | 0 | -1 | 5 |
| 250 | 0 | 0 | 5 |
| 251 | 0 | 1 | 5 |
| 252 | 1 | 1 | 5 |
| 253 | 0 | 5 | 4 |
| 254 | 1 | 5 | 4 |
| 255 | -6 | 7 | 4 |
| 256 | -95 | -161 | 136 |
| 257 | -1 | 2 | 5 |
| 258 | 0 | 2 | 5 |
| 259 | 1 | 2 | 5 |
| 260 | 19 | -21 | 11 |
| 261 | 2 | 5 | 4 |
| 262 | -2 | 6 | 3 |
| 263 | -4 | 7 | -2 |
| 264 | 9 | 13 | -11 |
| 265 | -14 | 67 | -53 |
| 266 | 2 | 2 | 5 |
| 267 | -28 | 33 | -19 |
| 268 | -3 | -9 | 8 |
| 269 | -2 | 3 | 5 |
| 270 | 2 | 8 | -5 |
| 271 | 1 | 6 | 3 |
| 272 | -5 | 7 | 3 |
| 273 | -9 | 10 | 1 |
| 274 | 1099 | -1199 | 583 |
| 275 | 146 | 233 | -199 |
| 276 | -1 | 3 | 5 |
| 277 | 0 | 3 | 5 |
| 278 | 1 | 3 | 5 |
| 279 | -4 | 7 | 0 |
| 280 | 3 | 5 | 4 |
| 281 | -2 | 7 | -3 |
| 282 | 4 | 6 | 1 |
| 283 | 19 | -44 | 34 |
| 284 | 1523 | -1525 | 191 |
| 285 | 2 | 3 | 5 |
| 286 | -10 | 14 | -9 |
| 287 | -3 | 4 | 5 |
| 288 | -1 | 7 | -3 |
| 289 | 0 | 7 | -3 |
| 290 | 1 | 7 | -3 |
| 291 | 36 | -59 | 43 |
| 292 | 151 | -155 | 52 |
| 293 | 50 | -91 | 68 |
| 294 | -6 | 8 | -1 |
| 295 | -4 | 7 | 2 |
| 296 | -1 | 9 | -6 |
| 297 | 2 | 7 | -3 |
| 298 | -6 | 8 | 1 |
| 299 | -2 | -5 | 6 |
E-mail : kc2h-msm@asahi-net.or.jpHisanori Mishima