周长、面积相等的本原三角形

mathe

213378 388347960 :5 {2562 5600 98527}{689 25480 80520}{583 33306 72800}{1859 7840 96990}{528 41236 64925}
213774 1945343400 :5 {22120 28392 56375}{18960 35875 52052}{20787 30800 55300}{18942 35945 52000}{17875 44240 44772}
219674 1502570160 :5 {8449 38988 62400}{9585 30940 69312}{8512 38340 62985}{12996 20800 76041}{8320 40470 61047}
222404 1367656290 :5 {6251 44550 60401}{12502 16335 82365}{7315 31977 71910}{6137 48195 56870}{8925 24111 78166}
225998 921274200 :5 {8349 9450 95200}{2499 48400 62100}{7344 10780 94875}{2464 52785 57750}{2800 36300 73899}
231322 870233364 :5 {2706 28728 84227}{4712 14391 96558}{2046 51623 61992}{3458 20691 91512}{6776 9747 99138}
235586 2009367360 :5 {20295 22528 74970}{16065 29568 72160}{12705 44608 60480}{14520 34153 69120}{14336 34850 68607}
243602 1551109560 :5 {6253 44400 71148}{6105 47320 68376}{7007 35594 79200}{8450 27104 86247}{5880 57720 58201}
249458 1257268320 :5 {7308 17325 100096}{5152 26400 93177}{5950 22011 96768}{3465 56304 64960}{4312 34017 86400}
257114 1619818200 :5 {9889 21168 97500}{11600 17732 99225}{9625 21840 97092}{7056 32500 89001}{6750 34720 87087}
257278 2207445240 :5 {14382 32032 82225}{12784 38115 77740}{14100 32912 81627}{18564 23595 86480}{11830 43945 72864}
263074 2951690280 :6 {27692 34485 69360}{22287 51170 58080}{24225 41624 65688}{22990 46240 62307}{22440 49665 59432}{22253 51600 57684}
276138 961440480 :5 {1508 53361 83200}{4901 11200 121968}{1872 35525 100672}{1792 38025 98252}{3584 15730 118755}
282854 1211746536 :5 {2967 33264 105196}{4816 18207 118404}{3289 28896 109242}{2576 41327 97524}{6664 12771 121992}

wayne

我跑了一晚上，打印了非常多的3和4的结果，但是5以上的只有2个结果是mathe没有的。

{5,325486,2792669880,{1/7,40/67,347/429},{{69747,101396,154343},{65459,105959,154068},{42623,134000,148863},{41063,136948,147475},{40049,139494,145943}}}
{5,483626,4671827160,{2/5,56/209,138/1157},{{85173,164050,234403},{79833,169708,234085},{64713,186277,232636},{47348,208325,227953},{42978,217525,223123}}}

Mathematica太慢了。 正在用C++/ flint实现一遍。遗憾的是flint不支持 GMP的 mpz_class，导致很多公式都需要用C语言接口的方式实现，太boring了