表格开始
.....1......2.........6...........16..............44...............120
.....1......2.........6...........16..............44...............120
.....6.....24.......216.........1536...........11616.............86400
....13.....68......1014........11108..........131988...........1533792
....47....406.....13254.......293741.........7199001.........171712936
...128...1584.....98304......3785280.......165336096........6976042240
...405...7790....984150.....71388971......5988724293......482858009716
..1181..33630...8368566...1093269814....169350916116....25030781490504
..3598.156032..77673624..18727824939...5466853947751..1514104924173186
.10705.695344.687582150.301846514891.164296850179323.84271877225127052