三角形开始:
1
1 0
1 1 0
2 1 1 0
3 2 2 1 0
4 5 3 3 1 0
6 8 7 6 4 1 0
9 12 15 12 10 5 1 0
13 19 27 25 22 15 6 1 0
18 32 43 51 46 37 21 7 1 0
25 51 70 94 94 83 58 28 8 1 0
例如,第n=6行统计以下成分(用点表示的空列):
(6) (51) (312) (1113) (11112) (111111) .
(15) (114) (411) (1122) (11121)
(24) (132) (1131) (2112) (11211)
(33) (141) (1212) (2121) (21111)
(42) (213) (1221) (3111)
(123) (222) (1311) (12111)
(231) (2211)
(321)
|