T(4,3)=12:3abc1a,3abc1b,3abcc,2ab2ac,2ob2bc,2ac2bc。
三角形T(n,k)开始于:
1;
1;
2;
2, 5;
1, 12, 15;
18, 64, 52;
20, 166, 340, 203;
18, 332, 1315, 1866, 877;
15, 566, 3895, 9930, 10710, 4140;
11, 864, 9770, 39960, 74438, 64520, 21147;
6, 1214, 21848, 134871, 386589, 564508, 408096, 115975;
...