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
300 <= n <= 399, max{|x|,|y|,|z|} <= 4*106.
n | x | y | z |
300 | -3 | 7 | -2 |
301 | -38 | 43 | -23 |
302 | -7 | 11 | -7 |
303 | 2 | -9 | 8 |
304 | 3 | 3 | 5 |
305 | 6 | -7 | 6 |
306 | -2 | 4 | 5 |
307 | 0 | -5 | 6 |
308 | 1 | -5 | 6 |
309 | 6 | 7 | -5 |
310 | -8 | 22 | -17 |
311 | -4 | 5 | 5 |
312 | 11 | 15 | -13 |
313 | -1 | 4 | 5 |
314 | 0 | 4 | 5 |
315 | 1 | 4 | 5 |
316 | -3 | 7 | 0 |
317 | 4 | 5 | 4 |
318 | -3 | 7 | 1 |
319 | -2 | 7 | -2 |
320 | -13 | 47 | -37 |
321 | 41 | -42 | 14 |
322 | 2 | 4 | 5 |
323 | 16 | -21 | 14 |
324 | 53 | 55 | -54 |
325 | 5 | 6 | -2 |
326 | -1 | 7 | -2 |
327 | 0 | 7 | -2 |
328 | 1 | 7 | -2 |
329 | -10 | 11 | -1 |
330 | -12 | 14 | -7 |
331 | -10 | 11 | 0 |
332 | -3 | 7 | 2 |
333 | -2 | 7 | -1 |
334 | 4 | 6 | 3 |
335 | -2 | 7 | 0 |
336 | 25 | -27 | 13 |
337 | -2 | 7 | 1 |
338 | -7 | -7 | 8 |
339 | 5 | 6 | -1 |
340 | -1 | 7 | -1 |
341 | 3 | 4 | 5 |
342 | -1 | 7 | 0 |
343 | -1 | 6 | 4 |
344 | 1 | 7 | 0 |
345 | 1 | 6 | 4 |
346 | 1 | 7 | 1 |
347 | -10 | 11 | 2 |
348 | -3 | 5 | 5 |
349 | 2 | 7 | -1 |
350 | -6 | 8 | 3 |
351 | 2 | 7 | 0 |
352 | -9 | 11 | -5 |
353 | 2 | 7 | 1 |
354 | 3 | 7 | -2 |
355 | 10 | -11 | 7 |
356 | 129521 | 1048469 | -832693 |
357 | 5 | 6 | 2 |
358 | -1 | 7 | 2 |
359 | 0 | 7 | 2 |
360 | 1 | 7 | 2 |
361 | 4 | 9 | -6 |
362 | 4 | -16 | 13 |
363 | -21 | 22 | -8 |
364 | -809 | 829 | -272 |
365 | -217 | 362 | -265 |
366 | 60 | 62 | -61 |
367 | -2 | 5 | 5 |
368 | 3 | 7 | -1 |
369 | 1 | -4 | 6 |
370 | 3 | 7 | 0 |
371 | 3 | 6 | 4 |
372 | 3 | 7 | 1 |
373 | 28 | -35 | 22 |
374 | -1 | 5 | 5 |
375 | 18 | -31 | 23 |
376 | 1 | 5 | 5 |
377 | -6 | 7 | 5 |
378 | 4 | 4 | 5 |
379 | 83 | -84 | 22 |
380 | 47 | -89 | 67 |
381 | -11 | 12 | -2 |
382 | 142 | 214 | -185 |
383 | 2 | 5 | 5 |
384 | -7 | 9 | -1 |
385 | 1 | 8 | -4 |
386 | 3 | 7 | 2 |
387 | -5 | 8 | 0 |
388 | -7 | 9 | 1 |
389 | -2 | 7 | 3 |
390 | 6 | -8 | 7 |
391 | 4 | 7 | -2 |
392 | -1 | -97 | 77 |
393 | 14 | -15 | 8 |
394 | -4 | 8 | -3 |
395 | 3 | -4 | 6 |
396 | -1 | 7 | 3 |
397 | -2 | -3 | 6 |
398 | 1 | 7 | 3 |
399 | -9 | 10 | 4 |
E-mail : kc2h-msm@asahi-net.or.jpHisanori Mishima