表格开始时间:
0 3 120 4760 249984 17512704 1599330304 ...
2 80 3552 199168 14548480 1367568384 ...
15 860 57064 4643712 469942528 ...
64 6576 681984 80506880 ...
220 42112 6849792 ...
672 242688 ...
1904 ...
...
n=4且最大值为2的一些解:
(6,1,4,4,3,2) (4,3,1,5,6,6) (4,2,1,2,3,5) (3,2,1,6,4,3) (5,5,6,1,2,3).