n | a(n) |
---|---|
1 | 1 |
2 | 8 |
3 | 46 |
4 | 215 |
5 | 6904 |
6 | 86723 |
7 | 441262 |
8 | 2517902 |
9 | 61277761 |
10 | 827712431 |
11 | 2954399858 |
12 | 4281473701 |
13 | 63767491786 |
14 | 888318557945 |
15 | 4011156408934 |
16 | 23888027348153 |
17 | 656017679474182 |
18 | 8425863189971522 |
19 | 48918490589341081 |
20 | 278558570881511441 |
[1,8,46,215,6904,86723,441262,2517902,61277761, 827712431,2954399858,4281473701,63767491786, 888318557945,4011156408934,23888027348153, 656017679474182,8425863189971522, 48918490589341081,278558570881511441] |