表格开始
.....3........9..........25...........81..........241..........719
.....9.......81.........729.........6561........59049.......531441
....25......729.......19665.......531143.....14345273....387332417
....81.....6561......531143.....43046713...3486751263.282429513233
...241....59049....14345273...3486751263.847279307713
...719...531441...387332417.282429513233
..2181..4782969.10458051407
..6543.43046721
.19623