A(2,2)=11:00|1|2,001|2,1|002,0|0|1|2,0|01|2,0|1|02,01|02,00|12,0|012,0012。
方阵A(n,k)开始:
1, 1, 2, 5, 15, 52, 203, 877, 4140, ...
1, 2, 5, 15, 52, 203, 877, 4140, 21147, ...
2, 4, 11, 36, 135, 566, 2610, 13082, 70631, ...
3, 7, 21, 74, 296, 1315, 6393, 33645, 190085, ...
5, 12, 38, 141, 592, 2752, 13960, 76464, 448603, ...
7, 19, 64, 250, 1098, 5317, 28009, 158926, 963913, ...
11, 30, 105, 426, 1940, 9722, 52902, 309546, 1933171, ...
15, 45, 165, 696, 3281, 16972, 95129, 572402, 3670878, ...
22, 67, 254, 1106, 5372, 28582, 164528, 1015356, 6670707, ...
...