n | a(n) |
---|---|
2 | 1 |
3 | 9 |
4 | 378 |
5 | 13330 |
6 | 689715 |
7 | 30934071 |
8 | 1463659596 |
9 | 72481823352 |
10 | 3407856306435 |
11 | 142400570465307 |
12 | 5478965101306950 |
13 | 198874787418398598 |
14 | 6919440283487706065 |
15 | 232730571288134765160 |
16 | 7599816260357477794632 |
17 | 241028324482889751669040 |
[1,9,378,13330,689715,30934071,1463659596, 72481823352,3407856306435,142400570465307, 5478965101306950,198874787418398598, 6919440283487706065,232730571288134765160, 7599816260357477794632,241028324482889751669040] |