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
900 <= n <= 1000, max{|x|,|y|,|z|} <= 4*106.
| n | x | y | z |
| 900 | 5 | 7 | 6 |
| 901 | -1 | 6 | 7 |
| 902 | 0 | 6 | 7 |
| 903 | 1 | 6 | 7 |
| 904 | -5 | 7 | 7 |
| 905 | -58 | 65 | -34 |
| 906 | 12 | -22 | 17 |
| 907 | 2 | -5 | 8 |
| 908 | 5 | 9 | 3 |
| 909 | 7 | 8 | 3 |
| 910 | 2 | 6 | 7 |
| 911 | 7 | 10 | -6 |
| 912 | 151 | 153 | -152 |
| 913 | -1274 | 1849 | -1286 |
| 914 | -19 | 23 | -13 |
| 915 | -4 | 9 | 5 |
| 916 | -7 | -13 | 12 |
| 917 | -3 | 8 | 6 |
| 918 | 10 | -14 | 11 |
| 919 | -3 | -8 | 9 |
| 920 | -11 | 13 | 3 |
| 921 | 4 | 9 | 4 |
| 922 | -8 | 16 | -11 |
| 923 | 27512 | -27517 | 1784 |
| 924 | 153 | 155 | -154 |
| 925 | 21 | -24 | 14 |
| 926 | 3 | -5 | 8 |
| 927 | -25 | 26 | -8 |
| 928 | -7 | -9 | 10 |
| 929 | 3 | 6 | 7 |
| 930 | 154 | 156 | -155 |
| 931 | -6942368 | -23115371 | 18510883 |
| 932 | -667 | 917 | -619 |
| 933 | -3 | -4 | 8 |
| 934 | -4 | 10 | -1 |
| 935 | 1 | -12 | 11 |
| 936 | 5 | 5 | 7 |
| 937 | 279 | -280 | 49 |
| 938 | -2 | -8 | 9 |
| 939 | -14 | 27 | -20 |
| 940 | 55 | 163 | -131 |
| 941 | -9142 | 9587 | -3883 |
| 942 | 2 | -12 | 11 |
| 943 | -1 | 8 | 6 |
| 944 | 7 | 9 | -4 |
| 945 | 1 | 8 | 6 |
| 946 | 0 | -8 | 9 |
| 947 | 6 | 9 | 1 |
| 948 | 157 | 159 | -158 |
| 949 | 100 | -101 | 25 |
| 950 | -4117 | 6521 | -4699 |
| 951 | -49 | 114 | -88 |
| 952 | -3 | 9 | 5 |
| 953 | -7 | 12 | -6 |
| 954 | 2 | -8 | 9 |
| 955 | 6 | 13 | -9 |
| 956 | -5 | 11 | -5 |
| 957 | -3 | 10 | -2 |
| 958 | 6220 | 9268 | -8033 |
| 959 | -1 | -4 | 8 |
| 960 | -63 | 89 | -61 |
| 961 | 1 | -4 | 8 |
| 962 | -12 | 14 | -3 |
| 963 | 4 | -5 | 8 |
| 964 | -31 | 69 | -53 |
| 965 | -4 | 7 | 7 |
| 966 | 4 | 6 | 7 |
| 967 | 380698 | 641263 | -542246 |
| 968 | (2) | (-4) | (8) |
| 969 | -36 | 41 | -22 |
| 970 | -3 | -3 | 8 |
| 971 | 3 | 8 | 6 |
| 972 | -7 | 11 | -2 |
| 973 | 3 | -8 | 9 |
| 974 | 26 | -56 | 43 |
| 975 | -3 | 10 | 1 |
| 976 | -401 | 2203 | -1745 |
| 977 | 8 | -13 | 11 |
| 978 | 6 | 8 | 5 |
| 979 | 0 | 9 | 5 |
| 980 | 1 | 9 | 5 |
| 981 | -11 | 14 | -6 |
| 982 | -6 | 8 | 7 |
| 983 | 7 | 8 | 4 |
| 984 | 25 | -33 | 22 |
| 985 | 1 | 10 | -2 |
| 986 | -7 | 11 | -1 |
| 987 | 3 | -4 | 8 |
| 988 | -7 | 11 | 0 |
| 989 | -2 | -3 | 8 |
| 990 | -5 | -7 | 9 |
| 991 | 6 | 7 | 6 |
| 992 | -3 | -15 | 13 |
| 993 | 15 | 28 | -23 |
| 994 | -2 | 10 | 1 |
| 995 | 140 | -223 | 161 |
| 996 | -1 | -3 | 8 |
| 997 | 0 | -3 | 8 |
| 998 | 1 | -3 | 8 |
| 999 | -1 | 10 | 0 |
| 1000 | 0 | 10 | 0 |
E-mail : kc2h-msm@asahi-net.or.jpHisanori Mishima