n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 6 |
3 | 51 |
4 | 760 |
5 | 15545 |
6 | 428256 |
7 | 15043483 |
8 | 653049664 |
9 | 34204348305 |
10 | 2118834917200 |
11 | 152834879685851 |
12 | 12670536337934256 |
13 | 1194143629239156505 |
14 | 126753440317516749660 |
15 | 15031687739886065433375 |
16 | 1977667235694725269563136 |
17 | 286890421090357737699794209 |
18 | 45637300134026406622214264592 |
[1,1,6,51,760,15545,428256,15043483,653049664, 34204348305,2118834917200,152834879685851, 12670536337934256,1194143629239156505, 126753440317516749660,15031687739886065433375, 1977667235694725269563136, 286890421090357737699794209, 45637300134026406622214264592] |