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例子
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数组的左上角:
1, 2, 6, 30, 210, 2310, 30030, 510510
3, 8, 36, 240, 2520, 32340, 540540, 10210200
4、12、60、420、4620、60060、1021020、19399380
5, 14, 66, 450, 4830, 62370, 1051050, 19909890
7, 32, 216, 2340, 30240, 512820, 9729720, 223603380
9, 38, 246, 2550, 32550, 542850, 10240230, 233303070
10, 42, 270, 2730, 34650, 570570, 10720710, 242492250
11, 44, 276, 2760, 34860, 572880, 10750740, 243002760
13, 62, 426, 4650, 60270, 1023330, 19429410, 446696250
15, 68, 456, 4860, 62580, 1053360, 19939920, 456395940
16, 72, 480, 5040, 64680, 1081080, 20420400, 465585120
17, 74, 486, 5070, 64890, 1083390, 20450430, 466095630
18, 90, 630, 6930, 90090, 1531530, 29099070, 669278610
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