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
1 <= n <= 99, max{|x|,|y|,|z|} <= 4*106.
n | x | y | z |
1 | 0 | 1 | 0 |
2 | 0 | 0 | 1 |
3 | 0 | 1 | 1 |
4 | 1 | 1 | 1 |
5 | -1 | 2 | -1 |
6 | 0 | 2 | -1 |
7 | -1 | 2 | 0 |
8 | 0 | 2 | 0 |
9 | 1 | 2 | 0 |
10 | 0 | 2 | 1 |
11 | 1 | 2 | 1 |
12 | 1 | 3 | -2 |
13 | -35 | -62 | 52 |
14 | -1 | -1 | 2 |
15 | 0 | -1 | 2 |
16 | 0 | 0 | 2 |
17 | 0 | 1 | 2 |
18 | 1 | 1 | 2 |
19 | -2 | 3 | 0 |
20 | -3 | 63 | -50 |
21 | -2 | 3 | 1 |
22 | -14 | 52 | -41 |
23 | -1 | 2 | 2 |
24 | -1 | 3 | -1 |
25 | 1 | 2 | 2 |
26 | -1 | 3 | 0 |
27 | 0 | 3 | 0 |
28 | 1 | 3 | 0 |
29 | 0 | 3 | 1 |
30 | 1 | 3 | 1 |
31 | 31 | 52 | -44 |
32 | 5 | -7 | 5 |
33 | 2 | 3 | -1 |
34 | 0 | -6 | 5 |
35 | 2 | 3 | 0 |
36 | 5 | 7 | -6 |
37 | 2 | 3 | 1 |
38 | -2 | -2 | 3 |
39 | -3 | 4 | 1 |
40 | -11 | 19 | -14 |
41 | -7 | 8 | -4 |
42 | -1 | 3 | 2 |
43 | 0 | 3 | 2 |
44 | 1 | 3 | 2 |
45 | -1 | -2 | 3 |
46 | 0 | -2 | 3 |
47 | 1 | -2 | 3 |
48 | 7 | 9 | -8 |
49 | 1 | 4 | -2 |
50 | 41 | -49 | 29 |
51 | 2 | 3 | 2 |
52 | -1 | -1 | 3 |
53 | 0 | -1 | 3 |
54 | 0 | 0 | 3 |
55 | 0 | 1 | 3 |
56 | 1 | 1 | 3 |
57 | 96 | 259 | -209 |
58 | -2 | 4 | 1 |
59 | -4 | 5 | -1 |
60 | 9 | 11 | -10 |
61 | -1 | 2 | 3 |
62 | 0 | 2 | 3 |
63 | 1 | 2 | 3 |
64 | 0 | 4 | 0 |
65 | 1 | 4 | 0 |
66 | 0 | 4 | 1 |
67 | 1 | 4 | 1 |
68 | 185 | -187 | 47 |
69 | -10 | 21 | -16 |
70 | 2 | 2 | 3 |
71 | 0 | 5 | -3 |
72 | 1 | 5 | -3 |
73 | -2 | 3 | 3 |
74 | 2 | 4 | 1 |
75 | 3 | 4 | -2 |
76 | -21167 | -122171 | 97135 |
77 | -4 | 5 | 2 |
78 | 12 | 14 | -13 |
79 | -1 | 4 | 2 |
80 | -1 | 3 | 3 |
81 | 1 | 4 | 2 |
82 | 1 | 3 | 3 |
83 | 1 | 14 | -11 |
84 | 9 | -11 | 7 |
85 | -2 | 7 | -5 |
86 | 29 | -31 | 14 |
87 | -1 | 6 | -4 |
88 | -1 | -7 | 6 |
89 | 2 | 3 | 3 |
90 | -5 | 7 | -4 |
91 | 3 | 4 | 0 |
92 | -1 | 7 | -5 |
93 | 3 | 4 | 1 |
94 | 1 | 7 | -5 |
95 | 20 | -49 | 38 |
96 | -3 | 5 | -1 |
97 | 2 | -7 | 6 |
98 | -3 | 5 | 0 |
99 | -2212 | 2549 | -1421 |
E-mail : kc2h-msm@asahi-net.or.jpHisanori Mishima