方形数组开始:
1, 1, 1, 1, 1, 1, ...
1, 1, 1, 1, 1, 1, ...
6, 8, 10, 12, 14, 16, ...
60, 105, 162, 231, 312, 405, ...
840, 1920, 3640, 6144, 9576, 14080, ...
15120, 45045, 104720, 208845, 375000, 623645, ...
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A(1,1)=1;
A(2,1)=2*3=6;
A(3,1)=3*4*5=60;
A(4,1)=4*5*6*7=840;
A(5,1)=5*6*7*8*9=15120等。
...
A(1,2)=1;
A(2,2)=2*4=8;
A(3,2)=3*5*7=105;
A(4.2)=4*6*8*10=1920;
A(5,2)=5*7*9*11*13=45045等。
...
A(1,3)=1;
A(2,3)=2*5=10;
A(3,3)=3*6*9=162;
A(4,3)=4*7*10*13=3640;
A(5,3)=5*8*11*14*17=104720等。
...