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
100 <= n <= 199, max{|x|,|y|,|z|} <= 4*106.
| n | x | y | z |
| 100 | -1 | -3 | 4 |
| 101 | 0 | -3 | 4 |
| 102 | 1 | -3 | 4 |
| 103 | -11 | 16 | -11 |
| 104 | (-70) | (-124) | (104) |
| 105 | 17 | -18 | 8 |
| 106 | 14 | -16 | 9 |
| 107 | 3 | 4 | 2 |
| 108 | -1 | 5 | -2 |
| 109 | 2 | -3 | 4 |
| 110 | -2 | 4 | 3 |
| 111 | -6 | 7 | -2 |
| 112 | 961 | -971 | 241 |
| 113 | -46 | -133 | 107 |
| 114 | -3 | 5 | 2 |
| 115 | -2 | 5 | -1 |
| 116 | 3 | -7 | 6 |
| 117 | -1 | 4 | 3 |
| 118 | 0 | 4 | 3 |
| 119 | -1 | -2 | 4 |
| 120 | 3 | 7 | -5 |
| 121 | 1 | -2 | 4 |
| 122 | -1 | 5 | -1 |
| 123 | 0 | 5 | -1 |
| 124 | -1 | 5 | 0 |
| 125 | 0 | 5 | 0 |
| 126 | -1 | -1 | 4 |
| 127 | 0 | -1 | 4 |
| 128 | 0 | 0 | 4 |
| 129 | 0 | 1 | 4 |
| 130 | 1 | 1 | 4 |
| 131 | 2 | 5 | -1 |
| 132 | 21 | 23 | -22 |
| 133 | 2 | 5 | 0 |
| 134 | 6 | -14 | 11 |
| 135 | -1 | 2 | 4 |
| 136 | 3 | 5 | -2 |
| 137 | 1 | 2 | 4 |
| 138 | 22 | 24 | -23 |
| 139 | 13 | -14 | 7 |
| 140 | -1 | 5 | 2 |
| 141 | 0 | 5 | 2 |
| 142 | 1 | 5 | 2 |
| 143 | -6 | 7 | 2 |
| 144 | -13 | 23 | -17 |
| 145 | 3 | 4 | 3 |
| 146 | 7 | -13 | 10 |
| 147 | -2 | 3 | 4 |
| 148 | ? | ? | ? |
| 149 | 2 | 5 | 2 |
| 150 | 3 | 5 | -1 |
| 151 | -4 | 7 | -4 |
| 152 | 3 | 5 | 0 |
| 153 | 4 | -7 | 6 |
| 154 | -1 | 3 | 4 |
| 155 | 0 | 3 | 4 |
| 156 | 1 | 3 | 4 |
| 157 | 4 | 7 | -5 |
| 158 | 11 | -13 | 8 |
| 159 | -3 | -4 | 5 |
| 160 | -7 | 23 | -18 |
| 161 | -1 | 6 | -3 |
| 162 | 26 | 28 | -27 |
| 163 | 2 | 3 | 4 |
| 164 | -5 | 7 | -3 |
| 165 | -3 | 4 | 4 |
| 166 | -2 | -8 | 7 |
| 167 | -7 | 8 | -1 |
| 168 | 3 | 5 | 2 |
| 169 | -7 | 8 | 0 |
| 170 | 2 | 6 | -3 |
| 171 | -2 | 5 | 3 |
| 172 | -5 | 9 | -6 |
| 173 | 4 | 5 | -2 |
| 174 | 0 | -8 | 7 |
| 175 | 1 | -8 | 7 |
| 176 | -7 | 17 | -13 |
| 177 | 12 | 23 | -19 |
| 178 | -1 | 5 | 3 |
| 179 | 0 | 5 | 3 |
| 180 | 1 | 5 | 3 |
| 181 | -6 | 7 | 3 |
| 182 | 3 | 3 | 4 |
| 183 | 4170061 | -4494438 | 2090533 |
| 184 | 37 | 67 | -56 |
| 185 | -1 | -4 | 5 |
| 186 | 0 | -4 | 5 |
| 187 | 2 | 5 | 3 |
| 188 | -3 | 7 | -4 |
| 189 | 4 | 5 | 0 |
| 190 | 450 | -602 | 399 |
| 191 | -1 | 4 | 4 |
| 192 | 31 | 33 | -32 |
| 193 | 1 | 4 | 4 |
| 194 | 2 | -4 | 5 |
| 195 | -79 | 126 | -91 |
| 196 | -3 | -3 | 5 |
| 197 | 0 | 13 | -10 |
| 198 | -4 | 8 | -5 |
| 199 | -1 | 6 | -2 |
E-mail : kc2h-msm@asahi-net.or.jpHisanori Mishima