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例子
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a（0）=1，因为1没有分为正方形和立方体；
a（1）=2，因为2=1^2+1^3，一个分区；
a（2）=17，因为17=3^2+2^3=4^2+1^3，两个分区；
a（3）=1737，因为1737=3^2+12^3=35^2+8^3=39^2+6^3，三个分区，等等。
分区表：
{m，{ai，bi}}
{1,{-}}
{2,{1,1}}
{17,{3,2},{4,1}}
{1737,{3,12},{35,8},{39,6}}
{1025,{5,10},{30,5},{31,4},{32,1}}
{92025,{30,45},{152,41},{213,36},{255,30},{303,6}}
{3375900,{30,150},{1430,110},{1551,99},{1794,54},{1830,30},{1837,11}}
{5472225,{143,176},{990,165},{1935,120},{2035,110},{2251,74},{2277,66},{2321,44}}
{35964225,{165,330},{3167,296},{4035,270},{4191,264},{5610,165},{5885,110},{5973,66},{5997,6}}
{930860225,{13315,910},{23139,734},{26817,596},{29560,385},{30271,244},{30335,220},{30460,145},{30465,140},{30510,5}}
{1000837225,{915,1000},{16921,894},{19665,850},{20960,825},{24735,730},{29465,510},{30221,444},{31608,121},{31635,40},{31636,9}}
{4979585600,{8160,1700},{24512,1636},{40392,1496},{48785,1375},{49640,1360},{64515,935},{65560,880},{66840,800},{69960,440},{70024,424},{70565,55}}
{38515961025,{20330,3365},{41507,3326},{73755,3210},{95084,3089},{115595,2930},{118431,2904},{132255,2760},{153953,2456},{176355,1950},{190305,1320},{195570,645},{196254,69}}
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