三角形开始:
1
0 1
0 2 1
0 3 4 1
0 5 12 5 1
0 7 28 22 5 1
0 11 66 83 31 5 1
0 15 134 252 147 34 5 1
0 22 280 726 620 203 35 5 1
0 30 536 1946 2283 1069 235 35 5 1
0 42 1043 4982 7890 5019 1469 248 35 5 1
...
第n=4行统计以下代表:
. {{1,1,1,1}} {{1},{1,1,1}} {{1},{2},{1,1}} {{1},{2},{3},{4}}
{{1,1,1,2}} {{1},{1,1,2}} {{1},{2},{1,2}}
{{1,1,2,2}} {{1},{1,2,2}} {{1},{2},{1,3}}
{{1,1,2,3}} {{1},{1,2,3}} {{1},{2},{3,3}}
{{1,2,3,4}} {{1},{2,2,2}} {{1},{2},{3,4}}
{{1},{2,2,3}}
{{1},{2,3,4}}
{{1,1},{1,2}}
{{1,1},{2,2}}
{{1,1},{2,3}}
{{1,2},{1,3}}
{{1,2},{3,4}}