n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 66 |
3 | 34220 |
4 | 250654530 |
5 | 26255517781752 |
6 | 40219012695854521452 |
7 | 915602638690858051785326904 |
8 | 313119156483427472599890586326722370 |
9 | 1620758891081732168210880572699959520551984700 |
[1,2,66,34220,250654530,26255517781752, 40219012695854521452,915602638690858051785326904, 313119156483427472599890586326722370, 1620758891081732168210880572699959520551984700] |